Poland, Jan Kazimierz, Crown, ort, 1663, minted in Bydgoszcz.
The legend on the obverse reads S M D L R P; on the reverse, the Ślepowron coat of arms and MONE NOV ARG.
Silver, 5.86 g, 29.2 mm. Shatalin B63-I-4, Kop. 1770, Tyszkiewicz 1.50 mk.
Condition III+, very nice for this type of coin
