Caracalla AE27 of Plotinopolis, Thrace. 

(from top right) AYT K M AYR CE ANTWNEINOC, laureate, draped 
and cuirassed bust left, holding spear and shield.
PLWTEINOPOLEITWN, Hygieia standing right, feeding serpent
in arms.

Varbanov 1860; Moushmov 4741.

Image kindly supplied by Ivan Varbanov to replace the one
lost in the wildwinds website attack in Spring 2009.