Los 8590

12 Roubles 1831-CПБ, St. Petersburg mint (KM179, Bitkin40, Uzd.368, Schlumb.61, Sev.604, Fr.158) - Obv: Under crown, crowned double headed imperial eagle, shield on breast, holding sceptre and orb / Rev: Legend '12 РУБΛЙ НА CЕРЕБРО 1831' within circle, legend '9 ЗОΛ 68 ДОΛ ЧИСТОЙ УРАΛЬСКОЙ РΛАТИНЫ' surrounds - Platinum 41.37 g. 35.80 mm, mintage only 1.463 pcs. - ex Bellmans auction 23.11.2023 lot 1704, large test marks on obv. and rev., XF with prooflike surfaces, well struck, with luster remaining. The largest of the platinum series, and a very rare, and popular issue. Platinum was discovered in the Ural mountains. Shortly thereafter (in 1828) Russia began to mint platinum coins. Production continued until 1845 when minting was stopped, and the coins re-called and melted