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

Russian Semi-Postal Issues

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Start price: $250

Buyer's premium:

1922, Philately for the Children, black overprint on imperforated 1k orange, position 7 of the second printing, full OG, NH, VF, expertized by Dr. Jemtschoujin, Est. $400 -$500, Scott #B29