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: $100

Buyer's premium:

1978, Wright Brothers, 31c+31c multi, top margin block of four vertical se-tenant pairs with very light printing of blue, yellow and magenta offset colors, full OG, NH, VF, Est. $150-$200, Scott #C92a var