collection areas

Germany (all mint and postmarked)

• Federal Republic of Germany
• Berlin
• German Democratic Republic
• German Empire
• Occupation issues
• German territories and colonies

Europe:

• Austria (mint and used)
• Switzerland
• Belgium
• Netherlands
• Luxembourg
• Principality of Liechtenstein (mint and used)
• Denmark
• Norway
• Sweden
• Finland
• France
• Spain
• United Nations (New York, Vienna, Geneva) (mint and used)
• Czechoslovakia

The entire world up to 1949 (some countries even longer):

Africa:

• Belgian Congo (1908–1960)

• Gold Coast (1875–1954)

  Asia

• China (–1949)

  The Americas

• United States (–1949)
• Canada (–1949)
• Argentina (–1949)