MYSIA, Pergamon. Circa 166-67 BC. AR Tetradrachm (28mm, 12.64 g, 1h). Cistophoric type. Struck circa 166-160 BC. Cista mystica within ivy wreath / Two serpents entwined around bow and bowcase; civic monogram to left, amphora to right. Kleiner & Noe Series 8, obv. die 16; SNG BN 1701. Near EF, toned.