Face Value: 3 Grossus = 1/12 Thaler (1/12)
Metal: Silver
Weight: 2.44 g
Diameter: 21 mm
Thickness: 0.5 mm
Catalog References: Fed# 1019, Neum# 301, KM# 4, Iger KuW.99.4 a (R3); Kopicki 4044 (R5); Haljak 1677
Date below legend with arrow separating date
Minted in Mitau, modern-day Jelgava, Latvia
Mintage: unknown
Duke: Wilhelm Kettler (1587-1616)
Obverse: Bust facing right surrounded by legend.
Lettering: MONETA · DVCVM · CVRLAN · & . SE .
Translation: Moneta Argentea Ducum Curlandiae Et Semigalliae
Silver coin of the Duchy of Courland and Semigallia
Reverse: Eagle beside horseman above legend and under value.
Lettering: III GROS · ARG - TRIP · DVCV - CVR · ET · SE - 9 9
Translation: Grossus Argentea Triplex Ducum Curlandiae Et Semigalliae
Silver triple grossus of the Duchy of Courland and Semigallia
In 1596, Friedrich Kettler (1587-1642) and Wilhelm Kettler (1587-1616) split the Duchy of Courland and Semigallia, with Willhelm getting Courland and Friedrich getting Semigallia.
The coins of Wilhelm would have been struck specifically for Courland.