Pergamum, Mysia, AR Cistophoric tetradrachm. 166-67 BC. 26 mm, 12.69 g. 

Cista mystica, half-opened with a serpent emerging 
from it, surrounded by a wreath of ivy and vine leaves. 
Two serpents entwined around a bow in bowcase. PERG 
monogram to left, WPA monogram above, serpent-entwined thyrsos in right field.

Kleiner Pergamum 8; Kleiner, Asia Minor Hoard 1966, 6.

With permission of Auktionshaus H. D. Rauch GmbH, Nov. 2015.
Estimate: 50 Euros.