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

Worldwide Air Post Stamps and Postal History - Guatemala

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Start price: $75

Buyer's premium:

1957, inverted double black overprint ”AEREO 1957” (one is kiss print) on Red Cross 15c+50c violet and red, full OG, NH, VF, C.v. $275 for single inverted overprint, Scott #CB9a