Coins, Russia. Alexis I, KM 420, Yefimok 1655. Countermark "1655" and "Knight on horseback" struck over Netherlands 48 stuiver Gelderland 16XX (date obliterated by countermark). Graded by PCGS as XF cleaned (very insignificant cleaning). Countermark graded AU. Scarce and attractive coin! XF. See certification at PCGS