| Ubangi-Shari | AFRIQUE EQUATORIALE FRANCAISE and OUBANGUI CHARI overprinted on stamps of Middle Congo | Ubangi-Shari - 1924-1937? Issues | 
			
				| Ubangi-Shari | OUBANGUI-CHARI overprinted on stamps of Middle Congo | Ubangi-Shari - 1922-1923 | 
			
				| Ubangi-Shari | OUBANGUI-CHARI | Ubangi-Shari | 
			
				| Ubangi-Shari | OUBANGUI CHARI A.E.F. overprinted on stamps of France | Ubangi-Shari - postage due stamp - 1928 | 
			
				| Ubangi-Shari | OUBANGUI CHARI AFRIQUE EQUATORIALE FRANCAISE overprinted on stamps of Middle Congo | Ubangi-Shari - 1924-1937? Issues | 
			
				| Ubangi-Shari | OUBANGUI-CHARI-TCHAD overprinted on stamps of Middle Congo | Ubangi-Shari - 1915-1921 | 
			
				| Uganda | U.G. | Uganda | 
			
				| United Arab Emirates | UAE or U.A.E. | United Arab Emirates | 
			
				| United Arab Emirates | UAE overprinted on stamps of Abu Dhabi | United Arab Emirates - 1972 | 
			
				| United Arab Republic | UAR | United Arab Republic | 
			
				| United Arab Republic | UNITED ARAB REPUBLIC and SYRIA | United Arab Republic - Syria issues | 
			
				| United Nations | NACIONES UNIDAS | United Nations | 
			
				| United Nations | NATIONS UNIES | United Nations | 
			
				| United Nations | VEREINTE NATIONEN | United Nations - offices in Vienna, Austria | 
			
				| United Nations Educational, Scientific and Cultural Organization | UNESCO | United Nations Educational, Scientific and Cultural Organization | 
			
				| United States of America | ADAMS & CO'S EXPRESS | United States of America - carriers's stamp 1840's - operated in the states of California, Oregon, Washington | 
			
				| United States of America | ADAMS CITY EXPRESS POST | United States of America - carriers's stamp 1850's - New York City, New York | 
			
				| United States of America | A.D. HALL | United States of America - Confederate States - Gainsville, Alabama | 
			
				| United States of America | AIRLIFT FOR OUR SERVICEMEN | United States of America - 1968 - first used for regular postage - usage was restricted to special services on airmail in April 1969 | 
			
				| United States of America | ALLEN'S CITY DESPATCH | United States of America - carriers's stamp 1880's - Chicago, Illinois | 
			
				| United States of America | AMERICAN LETTER MAIL CO. | United States of America - carriers's stamp 1840's - Boston, Massachusetts, New York, New York, Philadelphia, Pennsylvania | 
			
				| United States of America | AMERICA ON GUARD and US POSTAL SAVINGS | United States of America - postal savings stamp - 1941 | 
			
				| United States of America | A US POSTAGE | United States of America - nondenomiated stamp/no value indicated - 1978 - 15 cent face value | 
			
				| United States of America | BARR'S PENNY DISPATCH | United States of America - carriers's stamp 1850's - Lancaster, Pennsylvania | 
			
				| United States of America | BENTLEY'S DISPATCH | United States of America - carriers's stamp 1850's - New York, New York | 
			
				| United States of America | BLOOD'S PENNY POST | United States of America - carriers's stamp 1840's-1860 - Philadelphia, Pennyslavania | 
			
				| United States of America | BOYCE'S CITY EXPRESS POST | United States of America - carriers's stamp 1850's - New York, New York | 
			
				| United States of America | BRADY & CO | United States of America - carriers's stamp 1850's - New York, New York | 
			
				| United States of America | BROAD-WAY POST-OFFICE | United States of America - carriers's stamp 1840's - New York, New York | 
			
				| United States of America | BROWN & COS CITY POST | United States of America - carriers's stamp 1850's - Cincinnati, Ohio | 
			
				| United States of America | BROWNES EASTON DISPATCH | United States of America - carriers's stamp 1850's - Easton, Pennsylvania | 
			
				| United States of America | B US POSTAGE | United States of America - nondenomiated stamp/no value indicated - 1981 - 18 cent face value | 
			
				| United States of America | CALIFORNIA PENNY POST CO. | United States of America - carriers's stamp 1850's - California and Nevada | 
			
				| United States of America | CANAL ZONE overprinted on stamps of Colombia | United States of America - Canal Zone | 
			
				| United States of America | CANAL ZONE | United States of America - Canal Zone | 
			
				| United States of America | CANAL ZONE overprinted on stamps of United States of America | United States of America - Canal Zone | 
			
				| United States of America | CANAL ZONE overprinted on stamps of Panama | United States of America - Canal Zone | 
			
				| United States of America | CANAL ZONE POSTAGE | United States of America - Canal Zone | 
			
				| United States of America | CARNES SAN FRANCISCO LETTER EXPRESS | United States of America - carriers's stamp 1850's - San Francisco, California | 
			
				| United States of America | DOMESTIC MAIL and C and US POSTAGE | United States of America - nondenomiated stamp/no value indicated - 1981 - 20 cent face value | 
			
				| United States of America | CERTIFICATE STAMP and UNITED STATES WAR SAVINGS | United States of America - war savings stamp - 1921 - United States war bonds, defense bonds, or war certificates could be purchased with war savings stamps | 
			
				| United States of America | CERTIFIED MAIL and US POSTAGE | United States of America - certified mail stamp - 1955 | 
			
				| United States of America | CHICAGO PENNY POST | United States of America - carriers's stamp 1860's - Chicago, Illinois | 
			
				| United States of America | CIGTTE. TUBES overprinted on stamps of United States of America | United States of America - revenue stamp - cigarette tubes - 1919-1929 | 
			
				| United States of America | CITY DESPATCH POST | United States of America - carriers's stamp 1840's - New York City, New York | 
			
				| United States of America | CONFEDERATE STATES | United States of America - Confederate States | 
			
				| United States of America | CONFEDERATE STATES OF AMERICA | United States of America - Confederate States | 
			
				| United States of America | CORNWELL POST OFFICE MADISON SQUARE | United States of America - carriers's stamp 1850's - New York, New York | 
			
				| United States of America | CSA. POSTAGE | United States of America - Confederate States | 
			
				| United States of America | CS POSTAGE | United States of America - Confederate States | 
			
				| United States of America | CUBA overprinted on stamps of United States of America | United States of America - Cuba | 
			
				| United States of America | C and US POSTAGE and DOMESTIC MAIL | United States of America - nondenomiated stamp/no value indicated - 1981 - 20 cent face value | 
			
				| United States of America | D. O. BLOOD & COS. | United States of America - carriers's stamp 1840's-1860 - Philadelphia, Pennyslavania | 
			
				| United States of America | DOMESTIC MAIL and D and US POSTAGE | United States of America - nondenomiated stamp/no value indicated - 1985 - 22 cent face value | 
			
				| United States of America | DOMESTIC USA and E and EARTH | United States of America - nondenomiated stamp/no value indicated - 1988 - 25 cent face value | 
			
				| United States of America | DUPUY & SCHENCK PENNY POST | United States of America - carriers's stamp 1840's - New York, New York | 
			
				| United States of America | E and EARTH and DOMESTIC USA | United States of America - nondenomiated stamp/no value indicated - 1988 - 25 cent face value | 
			
				| United States of America | FOR U.S. ADDRESSES ONLY and F and USA | United States of America - nondenomiated stamp/no value indicated - 1991 - 29 cent face value | 
			
				| United States of America | FRAZER & CO CITY DESPATCH POST | United States of America - carriers's stamp 1840's-1850's - Cincinnati, Ohio | 
			
				| United States of America | F USA and FOR U.S. ADDRESSES ONLY | United States of America - nondenomiated stamp/no value indicated - 1991 - 29 cent face value | 
			
				| United States of America | GOOD IN PAYMENT TOWARD US WAR SAVINGS CERTIFICATE and THRIFT STAMP | United States of America - war savings stamp - 1917 - United States war bonds, defense bonds, or war certificates could be purchased with war savings stamps | 
			
				| United States of America | GRAFFLINS BALTIMORE DESPATCH | United States of America - carriers's stamp 1870's - Baltimore, Maryland | 
			
				| United States of America | GUAM overprinted on stamps of United States of America | United States of America - Guam - 1899 | 
			
				| United States of America | HABILADO overprinted on stamps of Cuba | United States of America - Cuba | 
			
				| United States of America | HALE & CO 13 COURT ST BOSTON | United States of America - carriers's stamp 1840's-1830's | 
			
				| United States of America | HAWAII 1778-1928 overprinted on stamps of United States of America | United States of America - 150th anniversery of discovery of the Hawaiian Islands - 1928 | 
			
				| United States of America | HAWAIIAN ISLANDS POSTAGE | United States of America - Hawaii | 
			
				| United States of America | H.I. POSTAGE | United States of America - Hawaii | 
			
				| United States of America | HUMBOLDT EXPRESS NEVADA TERRITORY | United States of America - carriers's stamp 1860's - Nevada | 
			
				| United States of America | HUSSEY'S BANK & INSURANCE SPECIAL MESSAGE POST | United States of America - carriers's stamp 1850's-1880's - New York, New York | 
			
				| United States of America | HUSSEY'S SPEC MESSAGE & LETTER POST | United States of America - carriers's stamp 1850's-1880's - New York, New York | 
			
				| United States of America | KANS. overprinted on stamps of United States of America | United States of America - 1920s definitive issue overprinted to prevent theft of postage stamps from post office in Kansas | 
			
				| United States of America | KENETA | United States of America - Hawaii - 'keneta' is Hawaian for 'cents' | 
			
				| United States of America | LETTER DISPATCH J.H. PRINCE | United States of America - carriers's stamp 1861's - Portland, Maine | 
			
				| United States of America | MCINTIRES CITY EXPRESS POST | United States of America - carriers's stamp 1850's - New York, New York | 
			
				| United States of America | MESSAGE CARD | United States of America - paid reply postal card | 
			
				| United States of America | MIGRATORY BIRD HUNTING STAMP | United States of America - revenue stamp - permit stamp for bird hunters | 
			
				| United States of America | MOLLY PITCHER overprinted on stamps of United States of America | United States of America - 150th anniversery commemoration of of the battle of Monmouth, New Jersey. Molly Pitcher was the heroine of the battle. - 1928 | 
			
				| United States of America | NEBR. overprinted on stamps of United States of America | United States of America - 1920s definitive issue overprinted to prevent theft of postage stamps from post office in Nebraska | 
			
				| United States of America | OFFICIAL MAIL USA | United States of America - official mail stamp | 
			
				| United States of America | OLD GLORY and USA G FIRST CLASS PRESORT | United States of America - nondenomiated stamp/no value indicated - 1994 - 25 cent face value - rate for presorted first class mail - "Old Glory" is a nickname for the USA flag | 
			
				| United States of America | OLD GLORY and USA G FOR U.S. ADDRESSES ONLY | United States of America - nondenomiated stamp/no value indicated - 1994 - 32 cent face value - rate for first class domestic postage - "Old Glory" is a nickname for the USA flag | 
			
				| United States of America | OLD GLORY and USA G NONPROFIT PRESORT | United States of America - nondenomiated stamp/no value indicated - 1995 - 5 cent face value - rate for nonprofit (usually a charity) organization's mail - "Old Glory" is a nickname for the USA flag | 
			
				| United States of America | OLD GLORY and USA G POSTCARD RATE | United States of America - nondenomiated stamp/no value indicated - 1994 - 20 cent face value - rate for postcards - "Old Glory" is a nickname for the USA flag | 
			
				| United States of America | ONE NEWSPAPER and ADAMS & CO'S EXPRESS | United States of America - carriers's stamp 1840's - for newspapers - operated in the states of California, Oregon, Washington | 
			
				| United States of America | PAID A.D. HALL | United States of America - Confederate States - Gainsville, Alabama | 
			
				| United States of America | PHILIPPINES overprinted on stamps of United States of America | Philippines - United States territory | 
			
				| United States of America | PILGRIM TERCENTENARY and no country name | United States of America - 1920 | 
			
				| United States of America | PORTO RICO overprinted on stamps of United States of America | Puerto Rico | 
			
				| United States of America | POSTAGE TWO CENTS and C in lower left corner, S in lower right corner | United States of America - Confederate States | 
			
				| United States of America | POSTAL NOTE and UNITED STATES OF AMERICA | United States of America - postal note - 1945 - used on money orders for any amount less than one dollar - A ten dollar fifty cents money order would have fifty cents of postal note stamps | 
			
				| United States of America | POSTAL SAVINGS and UNITED STATES | United States of America - postal savings stamp - 1940 | 
			
				| United States of America | PRICES CITY EXPRESS POST | United States of America - carriers's stamp 1850's - New York, New York | 
			
				| United States of America | PUERTO RICO overprinted on stamps of United States of America | Puerto Rico - United States administration | 
			
				| United States of America | REPUBLIC OF HAWAII | United States of America - Hawaii | 
			
				| United States of America | RF overprinted on stamps of United States of America | United States of America - 1944-1945 - French navy personnel used it for airmail to Canada and the United States of America. It was used because due to a lack of French postage stamps. It was applied to the 6 cent airmail stamp of 1941 and several others. | 
			
				| United States of America | RUSSELL 8TH AVE POSTOFFICE | United States of America - carriers's stamp 1850's - New York, New York | 
			
				| United States of America | UNITED STATES and SAVINGS STAMP | United States of America - savings stamp - 1954-1958,1961 - United States savings bonds could be purchased with savings stamps | 
			
				| United States of America | SHANGHAI CHINA overprinted on stamps of United States of America | United States of America - offices in Shanghai - 1919-1922 - paid for postage from USA office in China to United States of America mainland addresses | 
			
				| United States of America | SIX CENTS embossed | United States of America - stamped envelope - 1850s issue | 
			
				| United States of America | STATE OF CALIFORNIA and TAX STAMP DISTILLED SPIRITS | United States of America - revenue stamp - state of California - alcohol | 
			
				| United States of America | TAX STAMP DISTILLED SPIRITS and STATE OF CALIFORNIA | United States of America - revenue stamp - state of California - alcohol | 
			
				| United States of America | TEN CENTS embossed | United States of America - stamped envelope - 1850s issue | 
			
				| United States of America | TERRITORY OF ALASKA DEPARTMENT OF TAXATION | United States of America - revenue stamp - state of Alaska | 
			
				| United States of America | THE AMERICAN LETTER MAIL CO. | United States of America - carriers's stamp 1840's - Boston, Massachusetts, New York, New York, Philadelphia, Pennsylvania | 
			
				| United States of America | THIS U.S. STAMP, ALONG WITH 25C OF ADDITIONAL U.S. POSTAGE, IS EQUIVALENT T | United States of America - nondenomiated stamp/no value indicated - 1991 - 4 cent face value - used with a 25 cent face value stamp to pay for first class domestic postage because of the rate change from 25 cents to 29 cents | 
			
				| United States of America | THREE CENTS embossed | United States of America - stamped envelope - 1850s issue | 
			
				| United States of America | THRIFT STAMP and GOOD IN PAYMENT TOWARD US WAR SAVINGS CERTIFICATE | United States of America - war savings stamp - 1917 - United States war bonds, defense bonds, or war certificates could be purchased with war savings stamps | 
			
				| United States of America | TREASURY SAVINGS STAMP and UNITED STATES | United States of America - treasury savings stamp - 1921 - United States war savings stamps of treasury savings certificates could be purchased with treasury savings stamps | 
			
				| United States of America | UNITED STATES CITY DESPATCH POST | United States of America - carriers's stamp 1840's - New York City, New York | 
			
				| United States of America | UNITED STATES OF AMERICA POSTAL NOTE | United States of America - postal note - 1945 - used on money orders for any amount less than one dollar - A ten dollar fifty cents money order would have fifty cents of postal note stamps | 
			
				| United States of America | UNITED STATES POSTAGE | United States of America | 
			
				| United States of America | UNITED STATES and POSTAL SAVINGS | United States of America - postal savings stamp - 1940 | 
			
				| United States of America | UNITED STATES REGISTRY | United States of America - registration stamp | 
			
				| United States of America | UNITED STATES and SAVINGS STAMP | United States of America - savings stamp - 1954-1958,1961 - United States savings bonds could be purchased with savings stamps | 
			
				| United States of America | UNITED STATES and TREASURY SAVINGS STAMP | United States of America - treasury savings stamp - 1921 - United States war savings stamps of treasury savings certificates could be purchased with treasury savings stamps | 
			
				| United States of America | UNITED STATES and WAR SAVINGS | United States of America - war savings stamp - 1942-1943,1945 - United States war bonds, defense bonds, or war certificates could be purchased with war savings stamps | 
			
				| United States of America | UNITED STATES WAR SAVINGS CERTIFICATE STAMP | United States of America - war savings stamp - 1918-1921 - United States war bonds, defense bonds, or war certificates could be purchased with war savings stamps | 
			
				| United States of America | US | United States of America | 
			
				| United States of America | USA | United States of America | 
			
				| United States of America | USA and F and FOR U.S. ADDRESSES ONLY | United States of America - nondenomiated stamp/no value indicated - 1991 - 29 cent face value | 
			
				| United States of America | USA and F and FOR U.S. ADDRESSES ONLY | United States of America - nondenomiated stamp/no value indicated - 1991 - 29 cent face value | 
			
				| United States of America | USA G FIRST CLASS PRESORT and OLD GLORY | United States of America - nondenomiated stamp/no value indicated - 1994 - 25 cent face value - rate for presorted first class mail - "Old Glory" is a nickname for the USA flag | 
			
				| United States of America | USA G FOR U.S. ADDRESSES ONLY and OLD GLORY | United States of America - nondenomiated stamp/no value indicated - 1994 - 32 cent face value - rate for first class domestic postage - "Old Glory" is a nickname for the USA flag | 
			
				| United States of America | USA G NONPROFIT PRESORT and OLD GLORY | United States of America - nondenomiated stamp/no value indicated - 1995 - 5 cent face value - rate for nonprofit (usually a charity) organization's mail - "Old Glory" is a nickname for the USA flag | 
			
				| United States of America | USA G POSTCARD RATE and OLD GLORY | United States of America - nondenomiated stamp/no value indicated - 1994 - 20 cent face value - rate for postcards - "Old Glory" is a nickname for the USA flag | 
			
				| United States of America | USA H FIRST CLASS MAIL | United States of America - nondenomiated stamp/no value indicated - 1998 - 33 cent face value | 
			
				| United States of America | US AIR MAIL | United States of America - air mail stamp | 
			
				| United States of America | USA NONPROFIT ORG. | United States of America - nondenomiated stamp/no value indicated - rate for nonprofit (usually a charity) organization's mail | 
			
				| United States of America | USA and THE 'G' RATE MAKE-UP STAMP | United States of America - nondenomiated stamp/no value indicated - 1994 - 3 cent face value - used with a 29 cent face value stamp to pay for first class domestic postage because of the rate change from 29 cents to 32 cents | 
			
				| United States of America | USA and THE 'H' RATE MAKE-UP STAMP | United States of America - nondenomiated stamp/no value indicated - 1998 - 1 cent face value - used with a 32 cent face value stamp to pay for first class domestic postage because of the rate change from 32 cents to 33 cents | 
			
				| United States of America | US PARCEL POST | United States of America - parcel post stamp | 
			
				| United States of America | USPO | United States of America - "USPO" is "United States Post Office" | 
			
				| United States of America | US POSTAGE | United States of America | 
			
				| United States of America | US POSTAGE and A | United States of America - nondenomiated stamp/no value indicated - 1978 - 15 cent face value | 
			
				| United States of America | US POSTAGE AIR MAIL | United States of America - air mail stamp | 
			
				| United States of America | US POSTAGE and B | United States of America - nondenomiated stamp/no value indicated - 1981 - 18 cent face value | 
			
				| United States of America | US POSTAGE and C and DOMESTIC MAIL | United States of America - nondenomiated stamp/no value indicated - 1981 - 20 cent face value | 
			
				| United States of America | US POSTAGE and DOMESTIC MAIL and D | United States of America - nondenomiated stamp/no value indicated - 1985 - 22 cent face value | 
			
				| United States of America | US POSTAL SAVINGS | United States of America - postal savings stamp - 1911,936,1941 | 
			
				| United States of America | US POSTAL SAVINGS and AMERICA ON GUARD | United States of America - postal savings stamp - 1941 | 
			
				| United States of America | US WAR SAVINGS CERTIFICATE and THRIFT STAMP | United States of America - war savings stamp - 1917 - United States war bonds, defense bonds, or war certificates could be purchased with war savings stamps | 
			
				| United States of America | WAR SAVINGS and UNITED STATES | United States of America - war savings stamp - 1942-1943,1945 - United States war bonds, defense bonds, or war certificates could be purchased with war savings stamps | 
			
				| Upper Senegal and Niger | HAUTE SENEGAL NIGER | Upper Senegal and Niger - 1914-1917 | 
			
				| Upper Senegal and Niger | HAUTE VOLTA overprinted on stamps of Upper Senegal and Niger | Burkina Faso - postage due stamp - 1920 - also known as Upper Volta | 
			
				| Upper Senegal and Niger | HT SENEGAL NIGER | Upper Senegal and Niger - "Haute Senegal Niger" - 1906-1914 | 
			
				| Upper Silesia | C.1.H.S. overprinted on stamps of Germany | Upper Silesia - official stamp - 1920 | 
			
				| Upper Silesia | C.G.H.S. overprinted on stamps of Germany | Upper Silesia - official stamp - 1920-1921 - 'CGHS' - 'Commission de Gouverment Haute Silesie' - 'Government Commission of Upper Silesia' | 
			
				| Upper Silesia | COMMISSION DE GOUVERNEMENT HAUTE SILESIE | Upper Silesia - 1920-1922 - 'Commission de Gouverment Haute Silesie' - 'Government Commission of Upper Silesia' | 
			
				| Upper Silesia | HAUTE SILESIE | Upper Silesia - 1920-1922 | 
			
				| Upper Silesia | PLEBISCITE 20 MARS 1921 overprinted on stamps of Upper Silesia | Upper Silesia - 1921-1922 | 
			
				| Upper Volta | COTE D'IVOIRE overprinted on stamps of Upper Volta | Ivory Coast | 
			
				| Uruguay | DILIGENCIA | Uruguay - 1850s issues | 
			
				| Uruguay | EXTERIOR and URUGUAY | Uruguay - parcel post stamp | 
			
				| Uruguay | FRANCO overprinted on stamps of Uruguay | Uruguay - official stamp | 
			
				| Uruguay | MENSAJERIAS overprinted on stamps of Uruguay | Uruguay - special delivery stamp - 1921 | 
			
				| Uruguay | MENSAJERIAS and REPUBLICAO DEL URUGUAY | Uruguay - special delivery stamp - 1922-1957 | 
			
				| Uruguay | MONTEVIDEO | Uruguay | 
			
				| Uruguay | OFICIAL overprinted on stamps of Uruguay | Uruguay - official stamps | 
			
				| Uruguay | PRESNA overprinted on stamps of Uruguay | Uruguay - newspaper stamp | 
			
				| Uruguay | REP. O. DEL URUGUAY | Uruguay | 
			
				| Uruguay | REP O DEL URUGUAY and EXTERIOR | Uruguay - parcel post stamp | 
			
				| Uruguay | REPUBLICA O DEL URUGUAY | Uruguay | 
			
				| Uruguay | REPUBLICAO DEL URUGUAY and MENSAJERIAS | Uruguay - special delivery stamp - 1922-1957 | 
			
				| Uruguay | REPUBLIC ORIENTAL | Uruguay - 1860s issues | 
			
				| Uruguay | REPUBLICA ORIENTAL DEL URUGUAY | Uruguay | 
			
				| Uruguay | REPUBLICA ORIENTAL URUGUAY | Uruguay | 
			
				| Uruguay | TASA RUPLUBLICAO DEL URUGUAY | Uruguay - postage due stamp - 1902-? | 
			
				| Uruguay | URUGUAY and EXTERIOR | Uruguay - parcel post stamp | 
			
				| Uruguay | VRVGVAY | Uruguay - (the letter V is actually a U) |