1866 AD., Russian Empire, Alexander II, 5 Kopeks, KM Y 6a.

Russia, Russian Empire (1721 - 1917), Alexander II, Ekaterinburg mint, 1866 AD.,
5 Kopeks (37 mm / 22,36 g), mintage 24.767.000 ,
Obv.: coat of arms: crowned Russian double-headed imperial eagle with arms and insignia facing, ribbons at crown.
Rev.: • 5 • / KOΠЪEKЬ / 1866 / E. M. , value, year and mint mark in a wreath.
KM Y 6a .