Germany
Saxony - Albertine line (1547-1918) - John George I (1615-1656).
Av: Half-figure of the ruler in armor to the right, sword in his right hand, decorative helmet in his left hand, royal apple above, IOHAN GEORG D G DUX SAX IUL CLIU ET MON; Rw: Eighteen-field shield of arms precedes the letters S - D, above five helmets with labrys and jewels precedes the date, SA ROM IMP ARCHIM ET ELE
silver, dark patina