Country

• Netherlands (5) 

  Aden Protectorate (1) Afghanistan (4) Aitutaki (4) Albania (1) Antigua and Barbuda (1) Aruba (1) Ascension Island (1) Australia (1) Belgium (1) Benin (1) Bhutan (2) Brazil (2) Bulgaria (3) Burundi (1) Cambodia (1) China (2) Collection (1) Cuba (1) Cyprus (1) Czechoslovakia (4) Dominica (1) East Germany (6) Faroe Islands (2) French Southern and Antarctic Lands (1) Gambia (1) Georgia (1) Germany (9) Gibraltar (1) Greece (1) Grenada (2) Grenada Grenadines (1) Guinea (3) Guyana (1) Hungary (5) Ifni (3) Iran (1) Iraq (1) Ireland (1) Ivory Coast (1) Jersey (1) Kyrgyzstan (1) Lesotho (4) Liechtenstein (1) Luxembourg (2) Madagascar (1) Madeira (2) Malawi (1) Maldives (3) Marshall Islands (1) Mauritania (3) Mexico (1) Mongolia (2) Montserrat (2) Morocco (2) Mozambique (2) Namibia (1) Nauru (1) Netherlands Antilles (2) Nevis (1) New Zealand (5) Nicaragua (1) Norway (1) Oman (2) Palestine (1) Panama (1) Papua New Guinea (4) Penrhyn (1) Philippines (1) Poland (5) Romania (8) Russia (2) Rwanda (10) Ryukyu Islands (1) Saint Helena (1) San Marino (2) Sao Tome and Principe (4) Senegal (2) Sierra Leone (1) South Georgia (1) Spanish Guinea (2) Spanish Sahara (5) Sri Lanka (1) St. Kitts (1) St. Lucia (1) St.Vincent and Grenadines (2) Surinam (4) Tanzania (1) Togo (2) Turkey (1) Turks and Caicos (1) Ukraine (2) United Arab Emirates (2) United Nations (Geneva) (1) United Nations (Vienna) (1) United States (3) West Berlin (1) Yugoslavia (2)

Themes

•  Architecture (4)
•  CEPT (10)
•  Children (5)
•  Christmas (1)
•  Communications (1)
•  Cultures (1)
•  Fine arts (1)
•  Geography (1)
•  History (2)
•  Industry (5)
•  Marine life (1)
•  Music (1)
•  People (1)
•  Plants (1)
•  Post (1)
•  Science (3)
•  Soccer (1)
•  Space (1)
•  Sports (1)
•  Transport (1)