Issued for the 75th anniversary of the creation of the Universal Postal Union (UPU), 10 October 1949.
Aden > Yemen
Afghanistan
Albania
Algeria
Angola
Antigua
Argentina
Australia
Austria
Ascension Island
The Bahamas
Bahawalpur > Pakistan
Bahrain
Barbados
Basutoland > Lesotho
Bechuanaland > Botswana
Belgium
Belgian Congo > CR Congo
Bermuda
Bolivia
Brazil
British Guiana > Guyana
British Honduras > Belize
British Solomon Islands > Solomon Islands
Brunei
Bulgaria
Burma > Myanmar
Cameroun
Cape Verde
Cayman Islands
Dominion of Ceylon > Sri Lanka
Republic of China
Colombia
Costa Rica
Croatia
Cuba
Cyprus
Czechoslovakia
Denmark
Dominica
Dominican Republic
Ecuador
Egypt
El Salvador
Ethiopia
Falkland Islands
Fiji
Finland
France
French Equatorial Africa
French India > India
French Oceania > French Polynesia
French Somaliland > Djibouti
French West Africa
The Gambia
West Germany > Germany
Gibraltar
Gilbert & Ellice Islands > Kiribati & Tuvalu
Gold Coast > Ghana
Great Britain
Greece
Grenada
Guatemala
Haiti
Honduras
Hong Kong
Hungary
Iceland
Ifni > Morocco
India
Indochinese Federation
Indonesia
Dutch Indonesia > Indonesia
Iran
Iraq
Israel
Italy
Italian Somaliland > Somalia
Jamaica
Japan
Johor (Malaysia)
Jordan
Jordan-Occupied Palestine > Palestine
Kathiri State of Seiyun > Yemen
Kedah (Malaysia)
Kelantan (Malaysia)
Kenya, Tanganyika & Uganda
Korea
Kuwait
Lebanon
Leeward Islands
Liberia
Liechtenstein
Luxembourg
Macau
Madagascar
Malacca (Malaysia)
Malaysia
Malta
Mauritius
Montserrat
Monaco
Mexico
Morocco
Mozambique
Negeri Sembilan (Malaysia)
New Caledonia
New Hebrides > Vanuatu
Netherlands
Netherlands Antilles
Nicaragua
Nigeria
North Borneo > Malaysia
Northern Rhodesia > Zambia
Nyasaland > Malawi
Norway
Muscat & Oman > Oman
Pahang (Malaysia)
Paraguay
Panama
Penang (Malaysia)
Perak (Malaysia)
Perlis (Malaysia)
Peru
Philippines
Poland
Pitcairn Islands
Portugal
Portuguese Guinea > Guinea Bissau
Portuguese India > India
Qu'aiti State of Shihr & Mukalla > Yemen
Romania
St Kitts & Nevis
St Helena
St Lucia
St Pierre & Miquelon
St Vincent
São Tomé & Príncipe
San Marino
Sarawak > Malaysia
Selangor (Malaysia)
Seychelles
Sierra Leone
Singapore
Somaliland Protectorate > Somaliland
South Africa
South Maluku > Indonesia
South West Africa > Namibia
Southern Rhodesia > Zimbabwe
Spain
Spanish Morocco > Morocco
Spanish Guinea > Equatorial Guinea
Spanish West Africa > Western Sahara
Suriname
Swaziland > Eswatini
Sweden
Switzerland
Syria
Tangier > Morocco
Timor > East Timor
Togo
Tonga
Terengganu (Malaysia)
Trieste Zone A > Italy
Trieste Zone B > Slovenia
Trinidad & Tobago
Tunisia
Turkey
Turks & Caicos Islands
Vatican City
USSR > Russian Federation
USA
Uruguay
Venezuela
Virgin Islands
Wallis & Futuna
Zanzibar > Tanzania
Kingdom of Yemen > Yemen
Yugoslavia