MYSIA, Pergamon. Circa 166-67 BC. AR Tetradrachm (28.5mm, 12.68 g, 12h). Cistophoric standard. Struck circa 123-104 BC. Cista mystica within ivy wreath / Two serpents entwined around bow and bowcase; monogram above, civic monogram to left, serpent-entwined thyrsos to right. Kleiner, Hoard 7; Pinder 101; SNG BN –. Lightly toned. Good VF.