Bidspirit auction | One Man Collection of Tannu

One Man Collection of Tannu Tuva - Pictorial issue - 1927, Fording a Stream, perforated (11½) plate proof of 40k in rose and blue green (close to issued color), affixed on gray brown card with text in red reads: ''Project. 1 June 1927'', card size 82x115mm, fresh quality, VF and very rare, according to V. Ustinovsky Monograph this proofs is 6-7 times scarcer then proofs of Animals set of 1935, Est. $1,500-$2,000, Scott #25