Mysia, Pergamon Cistophoric Tetradrachm (Silver, 11.42g, 28mm) ca 166-67 BC
Obv: Cista mystica within ivy wreath
Rev: Two serpents entwined around bow and bowcase; AP and monogram above, civic monogram to left, serpent-entwined thyrsos to right.
Ref: Kleiner, Hoard 27; Pinder 104; SNG France 1729; SNG von Aulock 7479; SNG Cop. 427.