Mysia, Pergamon, c. 166-67 BC. AR Cistophoric Tetradrachm (28mm, 12.50g, 12h). Cista mystica with serpent; all within ivy wreath. R/ Bow-case with serpents; civic monogram to l., ΔI and prytanis monogram above, thyrsos to r. Kleiner, Hoard 12; SNG BnF 1734. Dark patina, near VF