Watch List notes:

MYSIA. Pergamon. Circa 166-160 BC. Cistophoric Tetradrachm (Silver, 28 mm, 12.25 g, 12 h), c. 166-160. Cista mystica from which snake coils; all within ivy wreath. Rev. Two serpents entwined around bow and bowcase; to left, monogram of ΠΕΡ; to right, horizontal amphora. Kleiner & Noe Series 8. SNG BN 1701. Lightly toned. Light porosity, otherwise, nearly very fine.

From the Vineyard Collection, ex Classical Numismatic Group 45, 18 March 1998, 405.