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

RSFSR Issues 1918-23

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Start price: $100

Buyer's premium:

1922, black diagonal surcharge (7500r) on (250r) violet, printed on chalk-surfaced paper, only tiny part of surcharge at top and ¼ of the stamp design remained due to a piece of extraneous paper falling to a printing plate, while albino impression of the surcharge is clearly visible on gum side, full OG, LH, VF and a spectacular piece, Est. $150-$200, Scott #201b