WWI ALLIED POWERS
Versailles Treaty Plebiscite in Allenstein

FRANCE
Council of Europe mailposted in Strasbourg

FRANCE
UNESCO mail posted in Paris

WWI ALLIED POWERS
Versailles Treaty Plebiscite in Marienwerde

WWI ALLIED POWERS
Allied and Associated Powers control of Memel after WWI

NETHERLANDS
International Court of Justice mail

LEAGUE OF NATIONS
League of Nations Administration of the Saar

SWITZERLAND
League of Nations mail

SWITZERLAND
International Bureau of the Universal Postal Union mail

SWITZERLAND
World Intellectual Property Organization mail

UNITED NATIONS
UN Temporary Executive Authority over West New Guinea

UNITED NATIONS
UN Headquarters Building, New York

UNITED NATIONS
UN Headquarters Building, Geneva

UNITED NATIONS
UN Headquarters Building, Vienna

UNITED NATIONS
UN Interim Administration Kosovo
