1927 (Feb 8) Envelope sent registered from Kizil to Moscow with first issue "Wheel of Eternity" 1k red, 5k orange, 10k lilac, 26 blue pair and 8k green, paying 25k rate aboraf, all tied by first Kizil cds (altered from the Krasniy Enis cds), registration mark in manuscript, arrival bs, opened on three sides, fragile paper and and minor faults as to be expected, a rare cover and the earliest known usage of this cancellation (Image)

1942 21st Anniversary of Independence complete set of three imperforate on yellowish paper, unused with some gum wrinkling and one creased, fine and scarce (Mi.130-132). (Image)