Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 2

Vatican City

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Start price: $200

Buyer's premium:

1951, 1500th Anniversary of the Council of Chalcedon, 5L dark greenish gray, top sheet margin vertical pair imperforate at top and between stamps with extra horizontal perforation on the design of bottom stamp, full OG, NH, VF, Sassone #149ba, €2,200, Scott #149 var