Mysia, Pergamum. Cistophoric Tetradrachm; Mysia, Pergamum; c. 76 BC, Cistophoric Tetradrachm, 12.60g. Kleiner-16, SNG France-1721. Obv: Serpent emerging from cista mystica; all within ivy wreath. Rx: Two serpents entwined around bow and bowcase; AY above, civic monogram in l. field, serpent-entwined thyrsus to r. From The Mark Gibbons Collection.Snake\'s head flatly struck. EF