Poland, Jan Kazimierz, Crown, ort, 1654, minted in Poznań, Andrzej Tymf.
On the obverse: IOAN•CASIMI•D:G•REX•POL•& SVEC•M•D•L•R•P:; on the reverse, the legend is divided by the Wieniawa coat of arms:
MON•NOV•REG•POL•-POSNAN•FAC•1654, with the denomination 1-8 and the initials A-T on either side.
Silver, 5.24 g, 29.7 mm. Shatalin PZ54-I-2.
Condition III, patina, poorly struck but still attractive for this type of coin



