1858 AD., Russian Empire, Alexander II, Ekatrinburg mint, 1 Kopek, KM Y 3.1.

Russian Empire, Czar Alexander II (1855-81), Ekatrinburg mint, 1858 AD.,
1 Kopek (23 mm / 4,93 g), mintage 13 731 000,
Obv.: A / II , A -monogram surmounted by a crown, within it the letter-numeral II.
Rev.: КОПЕЙКА / 1858 / E.M. , value in Cyrillic letters surmounted by a crown, date and mintmark below.
KM Y 3.1 .