MYSIA. Pergamom. Circa 166-67 BC. Tetradrachm (Silver, 28.36 mm, 12.61 g) Cistophoric issue, struck circa 88-85 BC under the prytanis Ar[-]. Cista mystica decorated with open lid, from which a serpent is crawling out to left, all within ivy wreath of flowers and leaves alternated. Rev. Two serpents standing face to face, each-other entwined and flanking a bowcase decorated with aplustre, AP and ΠΡΤY monogram in two lines above (prytanis name), ΠPΓE to left (civic monogram of Pergamum), serpent-entwined thyrsos of Asklepios to right. Kleiner, Hoard 27. Pinder 104. SNG France 1729. SNG Copenhagen 427. SNG von Aulock 7479. Reverse struck from worn die and slightly off center, otherwise, Very Fine/Nearly Extremely Fine