441 selected
- Abkhasia
- Abu Dhabi
- Aden
- Afars and Issas
- Afghanistan - Illegal Stamps
- Aitutaki
- Ajman
- Ajman - Illegal Stamps
- Ajman - Manama
- Åland (Aland)
- Aland (Åland)
- Albania - Korçë
- Alexandria
- Allied Occupation - Germany
- Allied Occupation - Germany [American and british zone]
- Allied Occupation - Germany [French zone]
- Allied Occupation - Germany [Soviet zone]
- Andorra - French
- Andorra - Spanish
- Angra
- Anguilla
- Antigua
- Antigua and Barbuda
- Argentina
- Armenia
- Aruba
- Ascension Island
- Australia
- Australian Antarctic Territory
- Austria
- Austria - Local post
- Austria-Hungary - Bosnia and Herzegovina
- Austria-Hungary - Military mail Romania
- Azerbaijan
- Azores
- Bahawalpur
- Bahrain
- Barbados
- Barbuda
- Bavaria
- Belarus
- Belgian Congo
- Belgium – Eupen
- Belgium – Eupen and Malmedy
- Belgium - Malmedy
- Belize
- Belize - Cayes
- Bergedorf
- Berlin
- Bermuda
- Biafra
- Bolivia
- Bosnia and Herzegovina
- Bosnia and Herzegovina - Croatian Post
- British Central Africa
- British Columbia and Vancouver Island
- British East Africa
- British East Africa and Uganda
- British East Africa Company
- British Honduras
- British South Africa Company
- Brunei
- Burkina Faso
- Burma (Myanmar)
- Burundi
- Burundi - Illegal Stamps
- Cameroon
- Canada
- Cape Juby
- Cape Verde
- Cavalle (Greece - Cavala [French postoffice])
- Cayman Islands
- Central Lituania
- Chile
- Chili - Occupation of Peru
- China - British post offices
- China - East China
- China - French post offices
- China - Japanese post offices
- China - North China - Occupation by Japan
- China - Northern China
- China - People's Republic
- China - Southwest China
- Christmas Island
- Cocos (Keeling) Islands
- Colombia - Bogota
- Colombia - Tolima
- Comoros
- Congo-Brazzaville
- Cook Islands
- Crete - Austrian post offices
- Crete - French post offices
- Crete - Italian post office [Chania]
- Croatia
- Croatia [1991-1997] - Republic of Serbian Krajina
- Cuba
- Cyrenaica
- Czechia
- Czechoslovakia
- Czechoslovakia - Local revolution issues
- Czechoslovakia - Voting area East-Silesia
- Dahomey
- Danzig - Polish post office
- Denmark - Jul stamps
- Diego Suarez
- Djibouti - Illegal Stamps
- Dominica
- East Timor
- Eastern Rumelia
- El Salvador
- Elobey, Annobon & Corisco
- Epirus
- Equatorial Guinea - Illegal Stamps
- Eritrea
- Ethiopia
- Falkland Islands
- Faroe Islands
- Faroe Islands - Jul stamps
- Fernando Poo
- Finland - Occupation of Aunus
- Finland - Occupation of East Carelia
- Fiume
- Fiume - Occupation of Arbe and Veglia (1920)
- France [1919-1921] - Occupation of Turkey - Cilicia (Cilicia)
- France [1919] - Occupation of Hungary - Arad
- France [1920] - Occupation of Castellorizo
- France-Great Britain [1914-1916] - Occupation of Togo
- French Congo
- French Guiana
- French Oceania
- French West Africa
- Fujeira
- Funchal
- Gabon
- Gabon - Illegal Stamps
- Gambia
- German colonies - German New-Guinea
- German colonies - Marianas
- German colonies - Marshall Islands
- German Reich - Azad Hind
- German Reich - Occupation of Latvia
- German Reich - Occupation of Montenegro
- German Reich - Occupation of Serbia
- German Reich [1870-1871] - Occupation of France - Alsace-Lorraine
- German Reich [1914-1918] - Occupation of Russia
- German Reich [1915-1918] - Occupation of Poland
- German Reich [1917-1918] - Occupation of Romania
- German Reich [1939-1945] - Generalgouvernement
- German Reich [1940] - Occupation of Elzas
- German Reich [1941-1944] - Occupation of Estonia
- German Reich [1941-1944] - Occupation of Ukraine
- German Reich [1941-1945] - Occupation of France
- Germany - Local postal areas
- Ghadames
- Ghana
- Gilbert Islands
- Great Britain - Bernera Islands - Cinderella
- Great Britain - Easdale Island - Cinderella
- Great Britain - Lundy - Cinderella
- Great Britain - Sanda Island - Cinderella
- Great Britain - Stroma - Cinderella
- Great Britain [1915] - Occupation of Mafia Island/German East Africa
- Great Britain [1942-1943] - Middle East Forces
- Great Britain [1943] - East African Forces
- Great Britain [1948-1951] - Occupation of Eritrea
- Great Britain [1948-1951] - Occupation of Somalia
- Greece - Mount Athos
- Greece – Occupation of Turkish regions
- Greenland
- Greenland - Jul stamps
- Grenada
- Grenadines of St. Vincent - Mustique
- Grenadines of St. Vincent - Tobago Cays
- Griqualand West
- Guam
- Guanacaste
- Guatemala
- Guernsey
- Guernsey - Sark - Cinderella
- Guyana
- Hannover
- Hong Kong
- Hungary - West-Hungary
- Iceland - Jul stamps
- Ifni
- India
- India - Bijawar
- India - Bundi
- India - Bussahir
- India - Charkhari
- India - Gwalior
- India - Hyderabad
- India – Indore
- India - Jasdan
- India - Jhalawar
- India - Jind
- India - Kishangarh
- India - Nagaland - Cinderella
- India - Nawanagar
- India - Orchha
- India - Poonch
- India - Rajpipla
- India - Travancore-Cochin
- Indochina
- Indochina - Canton Post Office
- Indochina - Mengtsz Post Office
- Indochina - Pakhoi Post Office
- Indochina – Yunnanfu Post Office
- Indonesia
- Indonesia - Riau
- Indonesia - Vienna printings - Cinderella
- Inini
- Iraq
- Ireland - Thomond - Cinderella
- Italian Aegean Islands - Calchi
- Italian Aegean Islands - Caso
- Italian Aegean Islands - Castelrosso
- Italian Aegean Islands - Lipso
- Italian Aegean Islands - Nisiro
- Italian Aegean Islands - Patmos
- Italian Aegean Islands - Piscopi
- Italian Aegean Islands - Rodi
- Italian Aegean Islands - Simi
- Italian Aegean Islands - Stampalia
- Italian Cyrenaica
- Italian East Africa
- Italian Eritrea
- Italian Jubaland
- Italian Libya
- Italian states - Modena
- Italian states - Naples
- Italian states - Romagna
- Italian states - Sicily
- Italy
- Italy - Julian Venetia
- Italy - Trentino
- Italy [1941] - Occupation of Slovenia
- Italy [1944-1945] - Italian Social Republic
- Ivory Coast
- Ivory Coast - Illegal Stamps
- Jordan
- Jordan - Occupation of Palestine [1948-1949]
- Karelia
- Kiribati
- Korea - Japanese post offices
- Kouang-Tcheou
- Lagos
- Laos
- Laos - Pathet Lao
- Latvia
- Not filled in