Worldwide Air Post Stamps and Postal History, One Man Collection of Tannu Tuva, Philatelic Rarities of the World, Part 2
Lot 626:
Description
1935, Elk, four trial color perforated (perf 10) proofs of 1r in brown, carmine rose, gray green and orange, arranged on brown gray cardboard, text at the bottom reads: ”Project. 15 October 1933”, cardboard size 274x223mm, excellent condition, VF and very rare, just a few survived, Est. $3,000-$3,500, Scott #67
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