MYSIA. Pergamon. Circa 166-67 BC. Cistophorus (Silver, 30 mm, 12.56 g, 12 h), c. 160-150. Serpent emerging to left from a partially open cista mystica; around, ivy wreath. Rev. Bow in gorytos between two upwardly coiling snakes; to left, monogram ΠEPΓ; to right, stylis. Kleiner & Noe Series 15 obverse die 35. SNG Copenhagen 406 ( this obverse die ). Rare with the stylis. Good very fine.