Mysia, Pergamon, c. 166-67 BC. AR Cistophoric Tetradrachm (27mm, 12.39g, 12h). Cista mystica within ivy wreath. R/ Bow case with serpents; ΔH and monogram above, civic monogram to l., serpent-entwined thyrsos to r. Kleiner, Hoard 31; SNG BnF 1732-3. VF