1917, St. George Slaying the Dragon, die essay of proposed design by artist R. Zarrins without denomination in light brown, printed on gummed paper, size 40x46mm, initials ''R.Z.'' at left and date ''24/II-15'', VF and extremely rare, prepared in 1915 for the World War I Charity issue and proposed for the first issue of the RSFSR, Est. $3,000-$4,000 (Image)

1921, the first definitive issue, large die proof of unissued denomination 3½r light brown, printed on thin glazed cardboard, size 103x133mm, no gum as produced, VF and extremely rare, only a handful printed, ex-Gorski, Est. $3,000-$4,000 (Image)

1922, red surcharge with dots after Russian letters 10,000r on 40r slate, large size stamp printed on paper with watermark Lozenges (small angle to the right), full OG, NH, VF, I. Kirzhner certificate, C.v. $375, Est. $250-$300 (Image)

1922, triple black (one inverted) diagonal surcharge 7500r on 250r violet, block of four printed on ordinary paper, one normal surcharge of light impression appears to be brown, full OG, NH, VF, I. Kirzhner certificate, Est. $400-$500 (Image)

FOR MAILMAN: 1918, 10k black on colored paper, set of four values, the text reads: ''According to the agreement between the sender and the recipient, the postman who delivered this letter is paid by the recipient 10 kop'', no gum as issued, VF, Est. $150-$200 (Image)

Covers with Charity Stamps Franking. 1923 (September 5), five RSFSR definitive stamps used together with a stamp of All-Russian War Veterans Aid Committee 1r brown lilac on registered cover from Petrograd to Nizhny Novgorod Trade Fair, arrival ''8.9.23'' ds, mostly VF, Est. $150-$200 (Image)

Covers with Charity Stamps Franking. 1923 (October 7), seven RSFSR worker stamps of 4r brown used together with a stamp of All-Russian War Veterans Aid Committee 2r orange brown on registered cover from Petrograd to Moscow, arrived on October 8, F/VF, Est. $150-$200 (Image)

Great Unit for Postal Rates Specialist. 1921-23, 22 covers, representing franking by various Imperial stamps (issued in 1917-19) and practically all RSFSR issues, all are internal mailings, many to/from Moscow and Petrograd, some registered items, approximately a half sent in 1923, when rates changed like in a kaleidoscope, in addition one early cover from Imperial Russia and one from Russian Army in Latvia, minor conveyance flaws, still F/VF, Est. $500-$600 (Image)

Postal Fiscal Stamps. 1918, Control stamps, 25k-100r, complete set of eight, full OG, NH, mostly VF, C.v. $110 (Image)

Postal History Items during the stamp shortage per. 1918 (December 18), Imperial General Revenue stamps of 75k, 1r, and 1.25r used on cover from Tukums (at that time under Russian White Armies, now - Latvia) to Pskov, Pskov ''22.12.18'' arrival marking, mostly VF, Est. $150-$200 (Image)