RUSSIA. Ruble, 1850-CNB NA. St. Petersburg Mint. Nicholas I. NGC MS-66. KM-C-168.1; Bit-226. A coin that is destined to wow all lovers of beauty, this Ruble effortlessly reflects any light that comes into contact with the surfaces, giving a cartwheel that would make the best Russian gymnast proud. Perfectly impressed details inhere to the argent and frosty planchet that beams with a luster nearly uninterrupted. Some dark toning is closely held by the reverse wreath that yields to a slight overall golden tinge when this Gem is held at an angle to the light. The finest certified by NGC, it is a masterclass in beauty.