O

letter O

**************************

O.A. overprinted on stamps of South Australia South Australia – official stamps – Official Assignee – 1868-1874
OAXACA Mexico – Oaxaco
O.B. overprinted on stamps of Philippines Philippines – official stamp – “official business”
OBOCK overprinted on stamps of French Colonies Somali Coast – (Djibouti)
OBOCK overprinted on stamps of French Colonies Obock – 1892
OCCUPATION FRANCAISE overprinted on stamps of Hungary Hungary – French occupation
OCCUPATION FRANCAISE DU CAMEROUN overprinted on stamps of Middle Congo Cameroun – French administration
OCCUPAZIONE ITALIANA CASTELROSSO Castellorizo – Italian administration – 1923
OCEANIE French Polynesia
OESTER POST Austria
OESTERREICHISCHE and STEMPELMARKE Austria – revenue stamp
OEUVRES COLONIALES French Colonies – World War 2 issue – issued by Vichy government in France – ???? – all French Colonies ???
OEUVRES COLONIALES overprinted on stamps of Niger Niger – World War 2 issue – issued by Vichy Government in France
OEUVRES COLONIALES overprinted on stamps of New Caledonia New Caledonia – World War 2 issue – issued by Vichy Government in France
OF CASTELLORISO overprinted on stamps of France Castellorizo – 1920
OFFENTLIG SAK Norway – official Stamp
OFFICIAL overprinted on stamps of Jamaica Jamaica – official stamp
OFFICIAL overprinted on stamps of Tanzania Tanzania – official stamp
OFFICIAL overprinted on stamps of Costa Rica Costa Rica – official stamp – 1883-1885,1889,1892,1901-1903,1908,1917
OFFICIAL Peru – official stamp
OFFICIAL overprinted on stamps of Basutoland Basutoland – official stamp
OFFICIAL overprinted on stamps of Trinidad Trinidad – official stamp
OFFICIAL overprinted on stamps of South Africa South Africa – official stamp
OFFICIAL overprinted on stamps of Kenya, Uganda and Tanzania Tanganyika – official stamp
OFFICIAL overprinted on stamps of Kenya Kenya – official stamp
OFFICIAL overprinted on stamps of Philippines Philippines – official stamp
OFFICIAL overprinted on stamps of Liberia Liberia – official stamp
OFFICIAL overprinted on stamps of New Zealand New Zealand – official stamp
OFFICIAL overprinted on stamps of Iraq Iraq – official stamp
OFFICIAL overprinted on stamps of Brazil Brazil – official stamp
OFFICIAL overprinted on stamps of British Guiana British Guiana – official stamp
OFFICIAL overprinted on stamps of Trinidad and Tobago Trinidad and Tobago – official stamp
OFFICIAL 15-VI-1917 overprinted on stamps of Costa Rica Costa Rica – official stamp – 1917
OFFICIAL and EGYPT Egypt – official stamp
OFFICIALLY SEALED CANADA DEAD LETTER OFFICE Canada – official seal
OFFICIALLY SEALED NEWFOUNDLAND DEAD LETTER OFFICE Canada – official seal
OFFICIAL MAIL USA United States of America – official mail stamp
OFFICIAL and TCHAD Chad – official stamps
OFFICIEL overprinted on stamps of Luxembourg Luxembourg – official stamps
OFFICIEL overprinted on stamps of Switzerland Switzerland – official stamps – 1942-1945, 1950
OFFICIEL and REPUBLIQUE DU SENEGAL Senegal – official stamps – 1966-1983
OFFISIEEL overprinted on stamps of South West Africa South West Africa – official stamp – 1927-1952
OFFISIEEL overprinted on stamps of South Africa South Africa – official stamp
OFFISIEEL S.W.A. overprinted on stamps of South West Africa South West Africa – official stamp – 1929
OFF SAK Norway – official stamps
OFICIAL overprinted on stamps of Nicaragua Nicaragua – official stamps
OFICIAL overprinted on stamps of Natal Natal – official stamps
OFICIAL overprinted on stamps of Spain Spain – official stamps
OFICIAL overprinted on stamps of Paraguay Paraguay – official stamps
OFICIAL overprinted on stamps of Mexico Mexico – official stamp
OFICIAL overprinted on stamps of Libya Libya – official stamps
OFICIAL overprinted on stamps of Honduras Honduras – official stamps
OFICIAL overprinted on stamps of Guatemala Guatemala – official stamps
OFICIAL overprinted on stamps of El Salvador El Salvador – official stamps
OFICIAL overprinted on stamps of Ecuador Ecuador – official stamps
OFICIAL overprinted on stamps of Costa Rica Costa Rica – official stamp
OFICIAL overprinted on stamps of Colombia Colombia – official stamp
OFICIAL overprinted on stamps of Argentina Argentina – official stamps
OFICIAL overprinted on stamps of Uruguay Uruguay – official stamps
OFICIAL overprinted on stamps of Chile Chile – official stamp
OFICIAL and ARGENTINA Argentina – official stamps
OFICIAL B overprinted on stamps of Nicaragua Nicaragua – Zelaya province issue
OFICIAL and CHILE Chile – official stamp
OFICIAL and EL SALVADOR El Salvador – official stamps
OFICIAL and GUATAMELA Guatemala – official stamps – ‘official’ is a perfin
OFICIAL and HONDURAS Honduras – official stamps
OFICIAL and NICARAGUA Nicaragua – official stamps
OFICIAL and PARAGUAY Paraguay – official stamps
OFICIAL and VENEZUELA Venezuela – official stamps
OFTERREICH overprinted on stamps of Germany Austria
OHEMS overprinted on stamps of Egypt Egypt – official stamp – 1922-1923 – ‘OHEMS’ – ‘On His Exhaulted Majesty’s Service”
OHHS overprinted on stamps of Egypt Egypt – official stamp – 1907-1922 – ‘OHHS’ – ‘On His Highness’s Service’
OHMS overprinted on stamps of Cook Islands Cook Islands – official stamp – ‘OHMS’ – ‘On His Majesty’s Service’
OHMS overprinted on stamps of Niue Niue – official stamp – ‘OHMS’ – ‘On His Majesty’s Service’
OHMS overprinted on stamps of Canada Canada – official stamp – ‘OHMS’ – ‘On His Majesty’s Service’
OHMS overprinted on stamps of Montserrat Montserrat – official stamp – ‘OHMS’ – ‘On His Majesty’s Service’
OHMS overprinted on stamps of Penrhyn Island Penrhyn Island – official stamp – ‘OHMS’ – ‘On His Majesty’s Service’
OHMS overprinted on stamps of Egypt Egypt – official stamp – ‘OHMS’ – ‘On His Majesty’s Service’
OHMS overprinted on stamps of Aitutaki Aitutaki – official stamp – ‘OHMS’ – ‘On His Majesty’s Service’
OIL RIVERS overprinted on stamps of Great Britain Niger Coast Protectorate
OKCA Russia – Army of the North – 1919
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
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
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
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
OLSZTYN ALLENSTEIN and PLEBISCITE overprinted on stamps of Germany Allenstein – 1920
OLTRE GIUBA overprinted on stamps of Italy Oltre Giuba – 1925-1926
OLTRE GIVBA Oltre Giuba
O.M.F. CILICIE overprinted on stamps of France Cilicia – French administration – “Occupation Militaire Francaise” – “French Military Occupation”
O.M.F. SYRIE overprinted on stamps of France Syria – postage due stamp – 1920-1922 – ‘OMF’ – ‘Occupation Militaire Francaise’ – ‘French Military Occupation’
O.M.F. SYRIE overprinted on stamps of France Syria – 1920-1923 – ‘OMF’ – ‘Occupation Militaire Francaise’ – ‘French Military Occupation’
O.M.F. SYRIE CH. TAXE overprinted on stamps of France Syria – postage due stamp – 1920 – ‘OMF’ – ‘Occupation Militaire Francaise’ – ‘French Military Occupation’
ON C G S overprinted on stamps of India – Cochin India – Cochin – official stamp
ONE CENT PERAK overprinted on stamps of Straits Settlements Malaya – Perak – 1886-1890
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
ONF CASTELLORIZO overprinted on stamps of French Colonies Castellorizo – 1920 – ‘ONF’ – ‘Occupation Naval Francaise’ – ‘French Naval Occupation’
ON H. M. S. overprinted on stamps of India India – official stamp
ON K D S overprinted on stamps of India – Kishangarh India – Kishangarh – official stamp
ONORANZE AL DUCE DECLI ABRUZZI overprinted on stamps of Eritrea Eritrea – 1934
ON SERVICE overprinted on stamps of Ceylon Ceylon – official stamp
ON S S overprinted on stamps of India – Travancore India – Travancore-Cochin
ON S. S. S. overprinted on stamps of India – Simoor India – Simoor – official stamp
ON STATE SERVICE overprinted on stamps of Iraq Iraq – official stamp
ON STATE SERVICE overprinted on stamps of Sharajah and Dependencies Sharajah and Dependencies – official stamp
ONTARIO LAW STAMP Canada – revenue stamp – Ontario, Canada
ONTARIO LUXURY TAX Canada – revenue stamp – Ontario, Canada
ONTARIO TRANSFERS Canada – revenue stamp – Ontario, Canada – stock transfer
ONZA and CORREOS Spain – official stamp – 1850s
ONZAS and CORREOS Spain – official stamp – 1850s
OPSP overprinted on stamps of New Zealand New Zealand – official stamp
ORANGE RIVER COLONY overprinted on stamps of Cape of Good Hope Orange River Colony
ORANJE VRIJ STAAT Orange River Colony – “Oranje Vrij Staat” is German for “Orange Free State”
ORCHA POSTAGE India – Orcha
ORCHHA STATE India – Orcha
ORDINARY overprinted on stamps of Liberia Liberia – 1897-1901 – official stamps overprinted for regular non-official use
ORE Denmark – monetary unit (also used in Greenland)
ORE Norway – monetary unit
ORE Sweden – monetary unit
ORGANISATION INTERNATIONALE DU TRAVAIL and TERRETOIRE FRANCAIS DES AFARS ET DES ISSAS Afars and Issas – 1971 – ‘Organisation Internationale du Travail’ – ‘International Labor Organization’
ORGANISATION INTERNATIONAL POUR LES REFUGIES overprinted on stamps of Switzerland Switzerland – official stamp – international organization for refugees – 1950
ORGANISATION METEOROLOGIQUE MONDIALE and HELVETIA Switzerland – official stamp – world meteorological organization – 1956-1973
ORGANISATION MONDIALE DE LA PROPERIETE INTELLECTUELLE and HELVETIA Switzerland – official stamp – world intellectual property organization – 1982-1985
ORGANISATION MONDIALE DE LA SANTE overprinted on stamps of Switzerland Switzerland – official stamp – world health organization – 1948-1950
ORGANISATION MONDIALE DE LA SANTE and HELVETIA Switzerland – official stamp – world health organization – 1957-1986
ORO PASTAS and LIETUVA Lithuania – airmail stamp – 1921-1936
ORTS POST Switzerland
ORTSPOST POSTLOCALE Switzerland – Zurich
OS overprinted on stamps of New South Wales New South Wales – official stamp
OS overprinted on stamps of Papua New Guinea Papua New Guinea – official stamp
OS overprinted on stamps of Trinidad Trinidad – official stamp
OS overprinted on stamps of Liberia Liberia – official stamp
OS overprinted on stamps of South Australia South Australia – official stamp
OS overprinted on stamps of New Guinea New Guinea – official stamp
OS overprinted on stamps of Newfoundland Newfoundland
OS overprinted on stamps of Australia Australia – official stamp – ‘OS’ – ‘On Service’
O.S. G.R.I. overprinted on stamps of German New Guinea New Britain – official stamp – Georgius Rex Imperator – 1915
O.S.G.S. overprinted on stamps of Sudan Sudan – official stamp – 1902-1913
OSTEN overprinted on stamps of Germany Poland – German occupation stamp – 1939
OSTERREICH overprinted on stamps of Germany Austria – 1945 issues for Lower Austria, Burgenland, and Vienna
OSTERREICH Austria
OSTERREICHISCHE POST Austria
OSTERREICHISCHE POST and PORTO Austria – postage due stamp
OSTERREICH and PORTO Austria – postage due stamp
OSTERRPOST Austria
OSTLAND overprinted on stamps of Germany Russia – German occupation – 1941
OSTROLEKA and POLSKA POCZTA overprinted on stamps of Germany Poland – local stamp for Ostroleke, Poland – 1918
OTTAWA CONFERENCE 1932 overprinted on stamps of Canada Canada – 1932 issue to publicize the 1932 Ottawa Economic Conference
OUBANGUI-CHARI Ubangi-Shari
OUBANGUI-CHARI overprinted on stamps of Middle Congo Ubangi-Shari – 1922-1923
OUBANGUI CHARI A.E.F. overprinted on stamps of France Ubangi-Shari – postage due stamp – 1928
OUBANGUI CHARI AFRIQUE EQUATORIALE FRANCAISE overprinted on stamps of Middle Congo Ubangi-Shari – 1924-1937? Issues
OUBANGUI-CHARI-TCHAD overprinted on stamps of Middle Congo Ubangi-Shari – 1915-1921
OVS and RDM Orange Free State – official stamp – 1896-1899 – “Rijdende Dienst Macht” – “mounted police force”
O.W. OFFICIAL overprinted on stamps of Great Britain Great Britain – official stamps – Office of Works

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