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

United States

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Start price: $200

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1992, Christmas Toys, imperforated horizontally proof se- tenant booklet pane of four 29c stamps of wrong layout (stamps from the bottom placed at the top), left sheet margin with plate No. A11111, full OG, NH, VF, C.v. $1,000, Est. $300-$400 , Sc. #2718a Pb