Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 1

United States - Classic Stamps, Proofs and Multiples

The auction will start in __ days and __ hours

Start price: $250

Buyer's premium:

1920, Liberty, American Banknote Co. imperforate proof of 2(c) in blue, bottom margin block of four printed on yellow green colored paper without gum, NH, VF, Est. $400-$500