Mysia, Pergamon, c. 166-67 BC. AR Cistophoric Tetradrachm (30mm, 12.68g, 12h), c. 104-98 BC. Cista mystica within ivy wreath. R/ Bow case with serpents; EY above, civic monogram to l., serpent-entwined thyrsos to r. Kleiner, Hoard 13; SNG BnF –. Die-shift, Good VF; ;