Rare date.
Varity obverse legend LUDOV, with ending of the obverse legend CHRIST and with reverse legend BRE.
Reverse legend double struck.
In the specialized catalog "Common coinage of three brothers 1651-1662" , by Marcin Grandowski, the rarity level is R5+, which means 31-45 pieces known to the author.
Mint luster on both sides.
