1857-58 10k Russian Empire, Russia, Watermark 1, Imperforate (Sc. 1, Mi. 1, Zv. 1, Certificate, Superb condition, Very rare) Stamp in superb condition, very rarely seen in such quality. The certificate says that the stamp is mint, but in our opinion it was previously very lightly canceled. Multiple signatures. Very scarce.(Image 1) (Image 2) (Image 3) (Image 4)

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1857-58 10k Russian Empire, Russia, Watermark 1, Imperforate (Sc. 1 var, Mi. 1 var, Mandr. 1A Кш, Broken '0' in '10', Certificate, Wide margins, Rare) Stamp in superb condition, very rarely seen in such quality. Previously very lightly canceled. Very scarce print error broken '0' in top-right '10'.(Image 1) (Image 2) (Image 3) (Image 4) (Image 5)

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1857-58 10k Russian Empire, Russia, Watermark 1, Imperforate (Sc. 1, Mi. 1, Zv. 1)(Image 1) (Image 2)

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1923 The First All-Russia Agricultural and Craftsmanship Exibition in Moscow, Soviet Union, USSR, Russia (Full Set)(Image 1) (Image)

1923 The First All-Russia Agricultural and Craftsmanship Exibition in Moscow, Soviet Union, USSR, Russia (Perf. 13.5, Full Set)(Image 1) (Image)

1924 Postage Due Stamps, Soviet Union, USSR, Russia (Varieties of Overprint, Signed)(Image 1) (Image)

1924-25 Postage Due Stamps, Soviet Union, USSR, Russia(Image 1) (Image)

1924 Lenin's Death, Soviet Union, USSR, Russia (Full Set, Perforated)(Image 1) (Image)

1924 Lenin's Death, Soviet Union, USSR, Russia (Full Set, Medium Rare Frame, Imperforate)(Image 1) (Image)

1924 Lenin's Death, Soviet Union, USSR, Russia (Full Set, Wide Rare Frame, Imperforate)(Image 1) (Image)

1925 Postage Due Stamp, Soviet Union, USSR, Russia (Zv. D 11 - D 17, Lithography, Full Set, CV $40)(Image 1) (Image)

1925 Postage Due Stamp, Soviet Union, USSR, Russia (Lithography)(Image 1) (Image)

1925 20th Anniversary of Revolution of 1905, Soviet Union, USSR, Russia (Full Set)(Image 1) (Image)

1925 the 20th Anniversary of Revolution of 1905, Soviet Union, USSR, Russia (Full Set)(Image 1) (Image)

1925 Centenary of Decembrists Revolt, Soviet Union, USSR, Russia (Perforated, Full Set)(Image 1) (Image 2)

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1925 the First Anniversary of Lenin's Death, Soviet Union, USSR, Russia (Perforated, Thick Paper, Full Set)(Image 1) (Image)

1925 the First Anniversary of Lenin's Death, Soviet Union, USSR, Russia (Imperforate, Full Set)(Image 1) (Image)

1925 The 30th Anniversary of the Invention of Radio by Popov, Soviet Union, USSR, Russia (Full Set)(Image 1) (Image 2)

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1927 the 10th Anniversary of October Revolution, Soviet Union, USSR, Russia (Full Set, MNH/MLH)(Image 1) (Image 2)

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1926 Lenin's Portrait, Soviet Union, USSR, Russia (Full Set, Perf. 10.5)(Image 1) (Image)

1926 Post - Charitable Issue, Soviet Union, USSR, Russia (Watermark, Full Set)(Image 1) (Image)

1927 the Second Definitive Set of the USSR Postage Stamps, Soviet Union, USSR, Russia (Full Set, Perf. 10.5)(Image 1) (Image)

1927 the Tenth Issue of the USSR 'Gold Definitive Issue', Soviet Union, USSR, Russia (Typography, Type I, Watermark, Full Set)(Image 1) (Image)

1928 the 10th Anniversary of Red Army, Soviet Union, USSR, Russia (Full Set, MNH/MH)(Image 1) (Image 2)

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1928 Lenin, Soviet Union, USSR, Russia (Full Set, Perf 10.5)(Image 1) (Image)