Worldwide Air Post Stamps and Postal History, One Man Collection of Tannu Tuva, Philatelic Rarities of the World, Part 2
Lot 590:
Description
1932, inverted blue surcharge 3k on 70k red and bister, right sheet margin block of four, full OG, NH, VF, C.v. $2,400 as singles, Est. $800-$1,000 , Scott #31a
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