Watch List notes:

Latvia Kurland 1 Grosz 1763 ICS Mitau. Ernest Jan Biron (1763–1769). Averse: Crowned monogram separating date. Reverse: Shield with eagle beside shield with horseman under crown and surrounded by legend. Silver; partially silver glance; dark patina; not cleaned-rare in this condition; K.-G. 6.3.1.2; Haljak 1741(simple monogram type)