MYSIA, Pergamon. Circa 166-67 BC. AR Tetradrachm (25mm, 12.66 g, 11h). Cistophoric standard. Struck circa 95-92 BC. Cista mystica with serpent; all within ivy wreath / Bow case with serpents; BO above, civic monogram to left, serpent-entwined staff to right. Kleiner, Hoard 10; SNG France 1718. EF, toned.