GERMANY. Oldenburg. Anton Günther (Duke, 1603-1667). 28 Gulden. Jever.
Obv: FERD III D G ROM IMP SEMP AVG.
Crowned imperial double eagle.
Rev: FLOR AN GVN CO E D D I I E R.
Crowned and garnished coat-of-arms.
Davenport, Silver 714.
Condition: Very fine.
Weight: 19.39 g.
Diameter: 41 mm.