Worldwide Air Post Stamps and Postal History, One Man Collection of Tannu Tuva, Philatelic Rarities of the World, Part 2
Lot 684:
Description
1921, First Constantinople issue, complete set of 15 imperforate plate proofs in issued colors, printed on glossy paper (proofs of 15,000r and 25,000r brown are not existing), no gum as produced, NH, VF and scarce unit, Est. $400-$500 , Scott #278/94
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