Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1

United States - Air Post stamps

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Start price: $150

Buyer's premium:

1978, Wright Brothers, 31c+31c multi, vertical se-tenant pair in top left corner margin horizontal strip of five, all litho colors are strongly shifted to the top left, full OG, NH, VF, Est. $250-$300 , Sc. #C92a var