Greek Coinages, MYSIA, Pergamon, Cistophoric Tetradrachm, 166-67, cista mystica with serpent escaping, garland around, rev. two serpents entwined around bow case, περ monogram to left, serpent entwined staff to right, 12.60g/12h (Kleiner, Hoard, 5; SNG Paris 1714). About very fine £60-£80