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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