Poland, John Casimir, the Crown, ort 1652, Wschowa mint.
The MW letters under the ox's head.
Silver, 5.32 g, 28.0 mm. Kop. 1713, Tyszkiewicz 2 mk.
Grade: about UNC, a very well minted piece with very clear coats of arms and the king's bust, a fully lustrous excellent coin.