COURLAND. Friedrich Kettler (1587-1642). 3 Groschen (1596). Mitau.
Obv: MO ARG DVCVM CV E SEM.
Bare-headed bust right, wearing ruffled collar.
Rev: III / GROSS ARG / TRIP DVC / VM CVR / ET SE.
Emperial eagle left and knight.
KM 4.
Condition: Very fine.
Weight: 1.84 g.
Diameter: 21 mm.