Mysia, Pergamon AR Cistophoric Tetradrachm. Circa 76-67 BC. Serpent emerging from cista mystica; all within ivy wreath / Two serpents entwined around bow and bowcase; TH and monogram above, civic monogram to left, serpent-entwined thyrsos to right. Kleiner, "Hoard Evidence and the Late Cistophori of Pergamum," in ANSMN 23 (1978), pg. 81, 49; Pinder 118. 12.10g, 26mm.