Mysia, Pergamon AR Cistophoric Tetradrachm. Circa 88-85 BC.
Obv: Serpent emerging from cista mystica; all within ivy wreath.
Rev: Two serpents entwined around bow and bowcase; AP and monogram above, civic monogram in left field, serpent-entwined thyrsos to right.
Kleiner, Hoard p. 95, 12-13 var. (monogram); Pinder 104 var. (same); SNG BnF 1729 var. (same).

Weight: 12.10 g.
Diameter: 26 mm.