Belarus 10 Rubles 1998 Adam Mickiewicz Date Error 1854 NGC PF 68 ULTRA CAMEO

Belarus. 10 Rubles 1998 Adam Mickiewicz 200 years - Date Error 1854 (instead of 1855!). Silver .925, 16.82 g. NGC 6772081-003 PF68 UC. Extreemly RARE! The rarest commemorative coin of the National Bank of Belarus in silver! Only 94 pieces are known with a mistaken date of death - 1854 instead of 1855 to the right of the portrait, the rest of the mintage was melt down! Original certificate with the mistaken date of death - 1854! Only 8 coins graded by NGC!