Watch List notes:

Latvia 3 Groszy 1591 Riga. Sigismund III Vasa (1587-1632). Averse: Crowned bust of Sigismund III to right. Reverse Legend: III / GR-OS / ARG. TRIP / CIVI. RI / GE. Silver. (1 on a Roman date). Iger R.91.1.c; K.-G. 9