Mysia, Pergamon, c. 166-67 BC. AR Cistophoric Tetradrachm (27mm, 12.18g, 10h), c. 88-85 BC. Cista mystica within ivy wreath. R/ Two serpents entwined around bow and bowcase; AP and monogram above, civic monogram to l., serpent-entwined thyrsos to r. Kleiner, Hoard 27; Pinder 104; SNG BnF 1729; SNG von Aulock 7479; SNG Copenhagen 427. VF