1931 Philatelic Exchange Tax Stamp, Soviet Union, USSR (Zv. S19, Certificate, Full Set, CV $330) (Image)

1923 Definitive Issue, RSFSR (Imperforated, Full Set, Signed, CV $350, MNH/MH) (Image)

1923 Definitive Issue, RSFSR, Russia (Typography, Signed) (Image)

1923 3r Definitive Issue, RSFSR (Imperforated, MNH) (Image)

1923 3r Definitive Issue, RSFSR (Zv. 115s, Printing on Gum Side, Imperforated, Signed, CV $330) (Image)

1923 4r Definitive Issue, RSFSR, Strip (Imperforated, CV $150, MNH) (Image)

1923 4r Definitive Issue, RSFSR (Zv. 116w, DOUBLE Printing, Imperforated, Control Strip, CV $200) (Image)

1923 5r Definitive Issue, RSFSR (OFFSET, Imperforated, Signed) (Image)

1923 20r Definitive Issue, RSFSR, Russia (Zv. 119, Typography, Margin, Signed, CV $250) (Image)

1923 Definitive Issue, RSFSR, Gutter Pairs (Imperforated, MNH) (Image)

1923 5r Definitive Issue, RSFSR (Zv. 108w, DOUBLE Printing, Perforated, Signed, CV $130) (Image)

1923 5r Definitive Issue, RSFSR, Block (Zv. 108c, Flooded '5' bottom, Control Strip, CV $60) (Image)

1923 20r Definitive Issue, RSFSR (Grey Black Proof, Signed, CV $150, MNH) (Image)

1923 20r Definitive Issue, RSFSR (Grey Violet Proof, Signed, Margin, CV $80) (Image)

1924 6k Gold Definitive Issue, Soviet Union, USSR (Zv. I, Grey Black Proof, Perforated, CV $100, MNH) (Image)

1924 6k Gold Definitive Issue, Soviet Union, USSR (Zv. I, Grey Black Proof, Imperforarted, CV $200, MNH) (Image)

1924 '1r' Gold Definitive Issue, Soviet Union, USSR (Proof, Unpriced, CV $+++, MNH) (Image)

1924 1r Gold Definitive Issue, Soviet Union, USSR (Proof, Annulated, Signed) (Image)

1924 2r Gold Definitive Issue, Soviet Union, USSR, Pair (Proof, SHIFTED Center, Signed) (Image)

1924 3r Gold Definitive Issue, Soviet Union, USSR, Pair (Zv. 53b, Type I, Imperforated, Annulated, Red Handstamp Fragment, CV $360) (Image)

1924 3r Gold Definitive Issue, Soviet Union, USSR, Pair (DOUBLE Printing, Annulated, MNH) (Image)

1924 5r Gold Definitive Issue, Soviet Union, USSR (SPECIMEN, Typo, no Watermark, Perf. 14.25x14.75, MNH) (Image)

1924 2r Gold Definitive Issue, Soviet Union, USSR (SPECIMEN, Typo, no Watermark, Perf. 14.25x14.75, MNH) (Image)

1924 3r Gold Definitive Issue, Soviet Union, USSR (Perforation 10, Readable Postmarks, CV $300) (Image)

1924-25 3r Gold Definitive Set, Soviet Union, USSR (Zv. 53 A, Perf. 10, Canceled, CV $100) (Image)