FIRST DAY ISSUE STAMP ENVELOPES - LOT OF 60

Lot of 60 first day issue stamp envelopes dating from the 1930s to the 1970s and the 1990s to the 2000s with themes including:

• Iowa Territorial Centennial (1938)
• 50th Anniversary of the Pan-American Union (1940)
• 50th Anniversary of the Trucking Industry (1953)
• Sixth International Philatelic Exhibition (1966)
• Benjamin Franklin, Statesman (2006)