GERMANY, Oldenberg. Anton Günther. 1603-1667. AR Gulden of 28 Stubers (40mm, 19.54 g, 12h). In the name of Holy Roman Emperor Ferdinand III. Jever mint. Struck circa 1640. Crowned arms / Crowned imperial eagle. Davenport, Silver 713 corr. (obv. legend). Near VF, toned, porosity and flan flaws.