TANNU TUVA. 1930 registered cover to Tashkent, franked with combination of 10k Russian 1930 Educational exhibition stamps and Tuva 1928 triangular sheep herding 18k stamp, both tied by KIZIL*TOUVA c.d.s. Reverse bears Tashkent arrival c.d.s. Nice and attractive combination with The Canadian Society of Russian Philately photo certificate signed by A.Cronin. (Photo). Est. 200 - 300 CHF.