Western Europe

Allenstein
Austria  (Regular issues)
Austria  (Semis, Airs, Due etc.)
Austria  (Occupation and Offices)
Azores

Belgium  (Regular issues)
Belgium  (Semi Postal)
Belgium  (Airs, due, parcel etc)
Belgian Colonies

Crete
Cyprus

Estonia

France   (Regular issues)
France  (Semis, Airs, Due etc.)
French Colonies

Germany  (Regular issues 1872-1948)
Germany  (Regular issues 1949-1999)
Germany   (Semis, Airs, Due etc.)
Berlin
German Colonies
German States
Bavaria
Danzig
Heligoland
Thurn and Taxis
Wurttemberg

Gibraltar
Great Britain
Greece

Inhambane
Ireland
Italian Possessions
Italian States
Italy  (Regular issues)
Italy  (Semis, Airs, Due etc.)

Latvia
Liechtenstein
Lithuania
Luxembourg

Madeira
Malta
Memel
Monaco

The Netherlands  (Regular issues)
The Netherlands   (Semis, Air, Due)
Dutch Colonies
North Ingermanland

Ionian Islands

Portugal    (Regular issues)
Portugal    (Air, Due, parcel etc)

Russia Part 1
Russia Part 2 1961 -1975
Russia Part 3 1976-1990

San Marino
Spain  (Regular issues)
Spain  (Semis, Airs Dues etc)

Switzerland  (Regular issues)
Switzerland  (Semis, Airs Dues etc)

Upper Silesia

Vatican City

Eastern Europe

Albania
Armenia
Azerbaijan

Batum
Bohemia And Moravia
Bosnia and Herzegovina
Bulgaria
Eastern Rumelia   (South Bulgaria)

Central Lithuania
Croatia
Czechoslovakia

Eastern Silesia

Fiume

Georgia
German Democratic Republic

Hungary  (Regular issues)
Hungary  (Semi, Air, Due etc)

Laibach (Ljubljana)

Montenegro

Poland
Ponta Delgada

Romania   (Regular issues)
Romania   (Semi, Air etc)

Serbia
Slovakia

Transcaucasian

Ukraine

Yugoslavia