Tannu Tuva 1936 15k + 35k on Cover. 15k on 6k orange yellow + 35k on 15k red brown, on registered cover to Moscow, tied by Kizil 29.9.36 double circle postmarks, Moscow receiving postmarks on reverse, portion of address excised from face of cover, otherwise attractive Very Fine appearance, rare on commercial cover; 2006 Sismondo photo certificate. Scott No. 40+44; $950 as used  Estimate $1,500 - 2,000. $0 (Image)