Removed from jewelry.
Plugged.
Switzerland, City of St. Gallen, Thaler 1621
Obverse: Bear striding left
MO:NO:CIVITA:SANGALLENSIS*1621*
Reverse: Under the crown, the double-headed Imperial Eagle
SOLI*DEO*OPT:MAX:LAVS:ET*GLORIA
Diameter 41 mm, weight 28.64 g