Germany, Archbishopric of Mainz, Heinrich I von Harburg (1142-1153), Bracteate, Erfurt Mint, obverse: bust of St. Martin with crosier and cross behind wall arch with two towers, around the inscription HEINRICH ERPESFORDI.
Old collector coin envelope attached.
Attractive piece with sharp details but cracked collar.
Diameter 40 mm, weight 0.62 g