Mysia, Pergamon AR (Silver, 12.04g, 28mm) Cistophoric tetradrachm, 55-53 BC, Proconsul C. Claudius A. P. F. Pulcher and local magistrate Bion
Obv: Cista Mystica within ivy wreath with corymbas
Rev: C. PVLCHER / PRO.COS / BIΩN, bow case between two serpents, city monogram of Pergamon to left, in right field serpent-entwined staff of Asklepios.
Ref: Metcalf 149 d, SNG v. Aulock 7486; Stumpf 48.