1840-EM年俄罗斯1科比铜样币。叶卡捷琳堡造币厂。极罕,诱人,深棕币面,铸打出众,底板银光瑰丽。(t) RUSSIA. Copper Kopek Novodel, 1840-EM. Ekaterinburg Mint. Nicholas I. PCGS SPECIMEN-64 Brown.KM-Unlisted; Bit-H558 (R2); Brekke-100A. Quite SCARCE and attractive, this specimen offers deep brown surfaces and an exacting strike, with some alluring brilliance residing in the fields.From the Sigma Collection.