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

Russian Semi-Postal Issues

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Start price: $100

Buyer's premium:

1922, Philately for the Children, black overprint on imperforate 1k orange, position 15 of the first printing, a part of appropriate ”Day of Philately” cancellation, VF and rare, C.v. $350, Scott #B29