Worldwide Air Post Stamps and Postal History, One Man Collection of Tannu Tuva, Philatelic Rarities of the World, Part 2

One Man Collection of Tannu Tuva - First Air Post issue

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Start price: $400

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Description

1934, Airplane over Camels, perforated (11½) proof of 15k in red lilac, affixed over brownish gray cardboard (large Project card cut into pieces), intact perforation, VF and rare, Est. $750-$800 , Scott #C4