Mysia, Pergamon, c. 166-67 BC. AR Cistophoric Tetradrachm (27mm, 11.98g, 1h). Cista mystica with serpent; all within ivy-wreath / Two serpents entwined around bow and bowcase; IE and monogram above, monogram of Pergamon to l., serpent-entwined thyrsos to r. Kleiner, Hoard 34; SNG BnF -. Near VF