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

Soviet Union of 1923-40

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Start price: $1,200

Buyer's premium:

1927, black surcharge (type I) 8k on postage due stamp of 7k orange, litho printing, perforation 12, nicely centered and post office fresh, full OG, NH, VF and rare stamp, V. Liapine certificate, Est. $2,500-$3,000,Scott #362 var