RUSSIA. Poltina (1/2 Ruble), 1846-CNB NA. St. Petersburg Mint. Nicholas I. NGC MS-61. KM-C-167.1; Bit-255. A sharply struck and captivating minor issue, this Mint State exemplar glistens with luster and exudes a tremendous degree of original brilliance--facets that undoubtedly elevate its already strong appeal. From the Sigma Collection.