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 3k red, complete setting of 25, representing all narrow ”8”, elongated ”t”, wide ”d”, Italic ”2” and all other overprint varieties, full OG, NH, VF, Est. $500-$600,Scott #B26, var