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

Worldwide Air Post Stamps and Postal History - United States - Air Post stamps

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Start price: $150

Buyer's premium:

1976, Plane, Globes and Flag, (31c), supposes to be in red blue and black, all colors omitted, bottom right corner sheet margin block of four, top right stamp with pencil shading, full OG, NH, VF and scarce multiple, PSE certificate, Est. $250-$300, Scott #C90b