Duchy of Courland and Semigallia (Mitau) 3 Groschen 1598 - Friedrich Kettler (1587-1642)
2.19g. AU/AU.
Obv.: Bust of Friedrich to right, wearing ruffled collar; “·MONE·ARG·CVR·”.
Rev.: Polish and Lithuanian arms; above, III; legend in three lines “GROS·AR·TR DVCVM·CV ·ET·SE·”, below, date 98.
Iger KuF.98.3.a R6; Haljak 1666 3R. Kruggel, Gerbasevskis 2.12.6.2. Very rare!
Issue historically associated with present-day Latvia and Poland.