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

United States - Air Post stamps

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Start price: $1,000

Buyer's premium:

1982, Philip Mazzei, 40c multicolored, perforation 10½x11¼, complete pane of 50 with all offset colors except black strongly shifted to the left, full OG, NH, VF and a spectacular item, Est. $1,500-$2,000, Sc. # C98A var