Pergamum, Mysia, AR Cistophoric tetradrachm. 76-67 BC. 28 mm, 12.41 g.

Obv: Cista mystica, half-opened with a serpent emerging 
from it, surrounded by a wreath of ivy and vine leaves. 
Rev: Two serpents entwined around a bow in bowcase. PERG 
monogram to left, magistrate's initials AP over PRY monogram 
and star above, serpent-entwined thyrsos in right field.

Kleiner Pergamum 25; Pinder 122; SNG France 1726-1727.

With permission of cngcoins.com, Apr, 2016
Estimate: $150.