PART OF RUSSIAN EMPIRE: 1844 (May 1-4), pre-philatelic cover from Moscow to Stavropol delivered by Tiflis Extra Pochta (established in 1826 to improve communications between Central Russia and Caucasus), addressed to the Chief of Staff of Caucasian Corps, two- line Moscow entry ds on front and Stavropol receiver is on reverse, mostly VF and very scarce, $300-$400 (Image)

Soviet issue. 1922, Industry and Agriculture, six imperforate proofs of 2000r in various colors, printed on thin yellowish cardboard, no gum as produced, VF, Est. $300-$400 (Image)

Soviet issue. 1922, Industry and Agriculture, six imperforate proofs of 3000r in various colors, printed on thin smooth paper, no gum as produced, VF, Est. $300-$400 (Image)

Soviet issue. 1922, Industry and Agriculture, six imperforate proofs of 3000r in various colors, printed on thin yellowish cardboard, no gum as produced, VF, Est. $300-$400 (Image)

St. George issue. 1919, 10k, 40k, 50k, 60k and 1r in imperforate blocks of 9 or 10 (40k), one stamp of each block either sideways, or has omitted St. George, shifted center, partly missing design or has center inverted, all with one or two favor cancellations, no gum as issued, VF, ex-Kaukhchishvili (Image)

St. George issue. GROUP OF MULTIPLES: 1919, St. George 10k-1r in imperforate blocks of 42, 48, 56 and 72; Queen Thamar 3r and 5r in imperforate blocks of 36, four to six stamps in each block with CTO cancel, fresh quality overall, full OG, NH, mostly VF, C.v. $400++ (Image)