Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3

Russian Semi-Postal Issues

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Start price: $200

Buyer's premium:

1922, Philately for the Children, black overprint on imperforated 1k orange, position 9 of the second printing, full OG, LH, VF, Soviet Philatelic guarantee hs, Est. $300-$400 , Sc. #B29