Lote 708. Russia, Empire, Nicolas I Platinium 12 Roubles, 1832-CNB. Saint Petersburg Mint. Platinium. Weight 41,41 grs. Bit-41, Fr-158; C-179; Sev-607; Spassky-pg. 512, fig. 171; Harris-351. A decret authorized the issuance of the platinum 12 Ruble in September 12, 1830. They were struck only in very limited basis for less than 20 years until 1845, date at which they were recalled from circulation. Hence their extreme rarity. PCGS AU58