1923-24 Gold Definitive Issue, Soviet Union, USSR (Proof, Annulated, Imperforate, Margin, MNH) (Image)

1923 20r Definitive Issue, RSFSR, Russia (Zag. Pr. 104, Dark Violet Proof, Signed, CV $120) (Image)

1923 20r Definitive Issue, RSFSR, Russia, Corner Block (Zv. 110 var., Sheet Inscription '2-? ?????????? ???????', MNH) (Image)

1923 20r Definitive Issue, RSFSR, Russia (Zag. 0113, Imperforate, CV 1,050) (Image)

1923 20r Definitive Issue, RSFSR, Russia (Zag. 0113, Imperforate, Canceled) (Image)

1923-29 7k Moscow, 'GOSSELSINDIKAT' The State Farm Syndicate (Cow and Sheep), Advertising Stamp Golden Standard, Soviet Union, USSR (Zv. 8, Canceled, CV $150) (Image)

1923-29 18k Moscow, 'RICHARD KABLITS' Company, Advertising Stamp Golden Standard, Soviet Union, USSR (Zv. 30, Canceled, CV $150) (Image)

1923-29 18k Moscow, 'RICHARD KABLITS' Company, Advertising Stamp Golden Standard, Soviet Union, USSR (Zv. 30, Canceled, CV $150) (Image)

1923-29 7k Kiev, Cigarette Boxes 'EXTRA', 'NEVA', 'SMYCHKA', Advertising Stamp Golden Standard, Soviet Union, USSR (Zv. 46, Canceled, CV $80) (Image)

1923 3k Philatelic Exchange Tax Stamp, Soviet Union, USSR (Zag. PE 2, Zv. S2, Perf 13.5, Type I, CV $50) (Image)

1923 10k Philatelic Exchange Tax Stamp, Soviet Union, USSR (Zag. PE 5, Zv. S5, Perf 13.5, Type I, CV $30) (Image)

1923 Philatelic Exchange Tax Stamp, Soviet Union, USSR (Zag. PE 1, PE 3, Zv. S1, S3, Perf 13.5, Type I, Canceled, CV $20) (Image)

1923 Definitive Set, Soviet Union, USSR, Russia, Block of Four (Zv. 21, Full Set, Typography, CV $150, MNH) (Image)

1924 Definitive Set, Soviet Union, USSR, Russia (Zv. 54 A, Full Set, Typography, Perf. 10,75, CV $120, MNH) (Image)

1926 Gold Definitive Issue, Soviet Union, USSR, Russia (Typography, Imperforate, Variety of Issues, MNH) (Image)

1926 3r Gold Definitive Issue, Soviet Union, USSR (DOUBLE Printing, Annulated, Imperforate) (Image)

1926 5r Gold Definitive Issue, Soviet Union, USSR (SHIFTED Background, Annulated, Imperforate, Margin) (Image)

1928 3k Gold Definitive Issue, Soviet Union, Russia, Block (Zag. 78 B, SPECIMEN, Typography, Perf. 12x12.25, MNH) (Image)

1927 8k the Eleventh Issue of the USSR 'Gold Definitive Set', Soviet Union, USSR (Zv. 167 a var., Inverted '8', CV $280, MNH) (Image)

1928 28k The 10th Anniversary of Red Army, Soviet Union, USSR (Zag. 220 K a, CV $100) (Image)

1933 The Stratosphere Flight of 1933, Soviet Union, USSR, Pair (Zag. 341 Pc, MISSED Perforation, Odessa Postmarks, CV $8,500) (Image)

1934 20k The 10th Anniversary of the Lenin's Death, Soviet Union, USSR (Zag. 385, Proof, Rare) (Image)

1935 10k Moscow - San Francisco Flight, Soviet Union, USSR, Russia (Zag. 420 Kg, Zv. 424b, Raised Dot after 'C??', Full Set, Signed, CV $900) (Image)

1935 4k Issued in Memory Frunze, Bauman and Kirov, Soviet Union, USSR, Russia (Zag. 433 Pa, Imperforate, Signed, CV $230, MNH) (Image)

1936-37 40k Definitive Set, Soviet Union, USSR (Zag. 443 CSP Pa, Margin, Full Set, CV $850, MNH) (Image)