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

Russian Offices in China

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Start price: $75

Buyer's premium:

1906, red diagonal overprint “Kitai” on 3.50r black and gray, complete sheet of 25 on vertically laid paper, in addition black surcharge $1 on 1r, sheet of 50 with 6 labels (no side margins), some mostly marginal separations, full OG, NH, VF, C.v. $187.50 as hinged single stamps, Scott #22, 63