MYSIA, Pergamon. (Circa 166-67 BC)
AR Cistophoric Tetradrachm (25.7mm 12.37g)
Obv: Cista mystica with serpent; all within ivy wreath
Rev: Two serpents entwined around bowcase; AM above, civic monogram to left, serpent-entwined thyrsos to right.
Kleiner, Hoard 3; SNG BN 1725