1917, St. George Defeated Dragon, essay of unissued design in orange brown, no value indicated on white paper, artist R. Zarins, size 51x67mm, full OG, LH, VF and very rare, ex-I. Gorski, this proof had been sold at Cherrystone Auction in 2014 for $8,000 plus appropriate commission (Image)

1920, ''Symbols of the New World'', Portraits of Karl Marx and Vladimir Lenin by E. Lancere, essays of unissued design for 2r in gray black, horizontal se-tenant pair, printed on thick paper, no gum as produced, VF (Image)

1921, ''The Liberated Proletarian'', unaccepted design imperforated essay of 100r in olive green, left sheet margin block of four, vertical fold between stamps, no gum as produced, NH, VF and scarce (Image)

1922, black over red (double) surcharge 5000r on 1r orange, nice margins, full OG, LH, VF, expert's hs on reverse, C.v. $800 (Image)

1922, two stamps with inverted black surcharge 10,000r on 40r slate, one of which has surcharge strongly shifted to the bottom, both basic stamps are small size, full OG, LH, VF, a common surcharged stamp of small size is included (Image)

1922, inverted red surcharge 10,000r on 40r slate, small size stamp, full OG, LH, VF, C.v. $160 (Image)

1922, double red surcharge 10,000r on 40r slate, small size stamp, full OG, LH, VF, tiny black hs on reverse (Image)

1922, double red surcharge (one placed vertically) 10,000r on 40r slate, small size stamp, full OG, LH, VF and scarce (Image)

1922, black diagonal surcharge 7500r on 250r violet, two singles, one with triple (one inverted) surcharge on ordinary paper (NH), another one with double surcharge on chalk-surfaced paper (LH), both with full OG, VF (Image)

1922, blue black litho diagonal surcharge 7500r on 250r violet, printed on ordinary paper, right sheet margin single, full OG, NH, VF (Image)

1922, blue black litho diagonal surcharge (shifted to the bottom right) 7500r on 250r violet, printed on ordinary paper, full OG, NH, VF, I. Kirzhner certificate (Image)

1922, shifted to the top right triple black or black brown diagonal surcharge (one inverted) 7500r on 250r violet, bottom left corner margin block of four printed on ordinary paper, full OG, NH, VF (Image)

1922, inverted black diagonal surcharge 100,000r on 250r violet, two stamps on ordinary or thin paper, in addition stamp with additional ghost impression of the design, full OG, LH, VF (Image)

1922, 5th Anniversary of the October Revolution, 5r ocher and black, three stamps, one with double impression of black color and two with color shifts, full OG, NH (1) or LH, VF (Image)

1922, 5th Anniversary of the October Revolution, 10r brown and black, printed on thin (0.05mm) paper, complete pane of 25, control line at the bottom margin, full OG, NH, VF, block of 24 on ordinary paper is included for comparison, C.v. $5,000 as hinged singles (Image)

1922, 5th Anniversary of the October Revolution, 25r violet and black, two stamps, one of which with black color is inverted, the other one is on creamy paper with black color shift, full OG, NH (invert) or LH, VF (Image)

1922-23, typo ''Star'' surcharge 30r on 50k red brown and green, horizontal gutter block of four, full OG, NH, VF and scarce multiple, a common stamp was issued with litho surcharge (Image)

1922-23, litho ''Star'' surcharge 5r on 20k dark blue and carmine, bottom sheet margin imperforated single with background shift and double (one albino) impression of center, full OG, NH, VF (Image)

1922-23, triple litho ''Star'' surcharge 200r on 200r over 40r on 15k lilac brown and blue, bottom sheet margin single, full OG with minor surcharge ink soiling, VF and rare (Image)

1922, definitive issue, worker, two imperforated essays of 3r in blue, printed on white and cream paper, unissued denomination, this design had been used for 10r stamp, full OG, NH, VF (Image)

1922, definitive issue, imperforated essay of worker 3r in blue, printed on cream paper, left sheet margin horizontal gutter block of four, light fold on margin and along the gutter, full OG, NH, VF (Image)

1922, soldier 100r orange, imperforated pane of 25 with error 70r on position 12, stamps of the bottom row have missing large part of the design, stamp on position 25 is missing completely, two inverted black handstamps ''Zabrakovano'' (Rejected), some creases and repaired tears on the right, nevertheless full OG, most NH, VF appearance of this extremely rare item, ex-V. Ustinovsky (Image)

1923, definitive issue, 1r-20r, imperforated complete set of seven, including unissued 1r and 2r values, large to sheet margins, full OG, NH, VF (Image)

1923, definitive issue, soldier 20r lilac, imperforated block of four with enlarged margin at right, light fold along the margin away from the stamps, full OG, NH, VF, C.v. $2,000 as singles (Image)

1923, definitive issue, soldier, two perforated and two imperforated trial color proofs 20r in violet black or dark gray, full OG, NH or LH (perforated violet black), VF (Image)