Caracalla, AE medallion of Pergamon, Mysia. 44.58 g. 

AVT KRAT K MARKOC AVR ANTWNEINOC, laureate, cuirassed bust right,
circular countermark of wreath (Howgego 480).
EPI CTR IOUL ANQINOU PERGAMHNWN PRWTWN TRIC NEWKORWN, Thalassa 
holding rudder and Gaia holding cornucopiae standing facing
each other, holding hands; above them, Zeus, holding 
thunderbolt and sceptre, between them, eagle standing with
wreath in beak. 

ex Triton III, November-December 1999), lot 766.

Courtesy of Helios Auction 5, June 2011