Caracalla, AE16 of Nikopolis ad Istrum, Moesia. 

AV K M AVR ANTWNINOC, laureate head right.
VPA AVR GALLOV NIKOPOLITWN PROC ICTR, Hygieia on left, looking 
right, feeding serpent in arms, Asklepios on right, looking 
left, resting on serpent-entwined staff, Telesphorus standing 
between them.

Varbanov 3087 (this coin).

Courtesy of Antike Muenzen Auction, 2002. Added Sept. 2011.