Watch List notes:

Latvia 3 Groszy 1591 Riga. Sigismund III Vasa (1587-1629). Obverse: Crowned bust facing right with a short beard surrounded by legend. Lettering: SIG III D G REX PO D LI. Reverse: Castle under crossed keys surrounded by stacked legend. Lettering: III 15 - 91 GR - OS ARG · TRIP CIVI RI GE . Edge Smooth. Silver. Iger R.91.1.d. NGC MS 64 ONLY ONE COIN IN HIGHER GRADE