History of Aviation, Rare Stamps and Postal History of the World, Part 1

United States

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Start price: $1,000

Buyer's premium:

1998, Uncle Sam’s Hat, ”H” non-denominated stamp inscribed ”Postcard Rate”, full OG, NH, VF, copy of PSE certificate for block of four is included, that is being lower right stamp, C.v. $2,400, Est. $1,500-$2,000 , Sc. #3269 fn