1863-CNB AB年俄罗斯1卢布。圣彼得堡造币厂。亚历山大二世的卢布发行中最为珍稀的一枚，底板上些许经手及清洗痕迹，尤见于反面，但已重新诱人包浆。(t) RUSSIA. Ruble, 1863-CNB AB. St. Petersburg Mint. Alexander II. NGC AU Details--Cleaned.KM-Y-25; Bit-75 (R2). Mintage: 5,193. The RAREST date in this series of Rubles under Alexander II, the present specimen does exhibit some evidence of handling and cleaning in the fields, especially upon the reverse, but nevertheless has begun to reacquire color rather enticingly.From the Sigma Collection.
