Bidspirit auction | One Man Collection of Tannu

One Man Collection of Tannu Tuva - Pictorial issue - 1927, Tuvan and Tent, perforated (11½) plate proof of 4k in yellow green and orange, affixed on gray brown card with text in red reads: ''Project. 1 June 1927'', card size 82x115mm, perfect condition, VF and very rare, Est. $1,500-$2,000 , Scott #18