Greek
MYSIA, Pergamon ( Circa 180-133 BC).
AR Cistophoric Tetradrachm (28.7mm, 11.4g)
Serpent emerging from cista mystica; the whole within wreath / Two serpents standing by decorated bow case; ΠA and monogram above, monogram of ΠΕΡΓ to left, serpent-entwined thyrsos to right.
Kleiner 46; SNG France 1749.