Mysia, Pergamon. 123-104 B.C. AR cistophoric tetradrachm (28 mm, 12.64 g, 12 h). Serpent emerging from within cista mystica with lid ajar; all within ivy wreath / two serpents entwined around bowcase; in left field, monogram of Pergamon, above, ΠΑ monogram; in right field, serpent-entwined thyrsos. Kleiner 7; Pinder 101; SNG Cop 424. gVF.