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

Worldwide Air Post Stamps and Postal History - Panama

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Start price: $100

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1949, 75th Anniversary of the UPU, inverted, double and double one inverted black or green overprints Swordfish 2c and Map 5c, 7 stamps altogether with two of C114b and two of C115a (different shifts), full OG, NH, VF, most expertized by T. Paredes, C.v. $181++, Scott #C114-15 a, b, c