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

Russian Semi-Postal Issues

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Start price: $600

Buyer's premium:

1922, Philately for the Children, black overprints on perforated 1k-10k, imperforated 1k, complete set of six, both 1k stamps are from the second printing, positions 25 and 21 respectively, in addition inverted overprint on imperforated 1k from the second printing, position 5, all housed on page from a Collection, full OG, NH, VF, Raritan Stamps guarantees, C.v. $3,380, Est. $1,000-$1,200, Scott #B24-29, B29a