MYSIA, Pergamon. Circa 166-66 BC. AR cistophoric tetradrachm (12,64 g). Cista mystica surrounded by ivy wreath / Two serpents entwined around bow and bowcase; AΣ and monogram above, city monogram to left, serpent-entwined thyrsos to right. Well struck and toned. Ex. Classical Numismatic Group, Electronic Auction 247, lot 127. January 12th, 2011 Grade:1+/01