Silver, 11.37 grams, 26.89 mm. Pergamon. Circa 76 BC. Obverse: no legend, Cista mystica with half-open lid, from which serpent emerges; around, wreath composed of ivy and berries. Reverse: PER monogram to left, MOS above, decorated gorytos (bowcase) between two serpents, their tails tied up; to right a serpent-entwined thyrsus. BMC 118; cf Sear 3945. Good very fine.