Silver, 11.65 grams, 28.77 mm. Pergamon, Mysia. 190-133 BC. Obverse: Cista mystica with half-open lid, from which a serpent issues, all within ivy wreath. Reverse: two coiled serpents with heads erect, between them a bow case, ornamented with an aplustre, containing a strung bow, in field to right a serpent-entwined staff; PER monogram to left, A Pi, GRY monogram and star above. Pinder 122; Kleiner 25; BMC 98; cf Sear 3947-3950 (field marks). Good very fine.