Pergamon, Mysia, AR Cistophor. 27mm; 12.84g. 50-49 bc. 

Cista mystica within ivy wreath. 
Bow case between two serpents; ARA monogram above; Q to 
left, thyrsos in right field. 

SNG Cop. 444; SNG France 1767; SNG v.Aulock 1867 (Ephesos).

with permission of cngcoins.com, the A.K. Collection Sale.