John Casimir, Crown of Poland, złoty (złotówka, tymf) „1665”, contemporary (17th century) forgery

Obv. DAT PRETIVM SERVATA SALVS / POTIORO3 METALLOETS

Rev. MONET.NOV.ARG:REG:POLO:1665:, A-T, XXX.GRO / POL

Silver, 5.24 g, 30.5 mm. Unrecorded.

ED-XRF analysis: Ag 56.5, Cu 39.4, Zn 1.34, Sn 0.93, Pb 1.4, Au 0.39%; Ag 59.5, Cu 39.2, Pb 0.7, Au 0.3%.

Grade XF-, traces of lustre, indistinct exfoliation.

The silver content of this forgery is larger than of an original coin.