Caracalla, AE 18 of Trajanopolis, Thrace.

M AVRHL ANTWNEINOC K, youthful, laureate, draped, cuirassed bust right.
TRAIANOPOLEITWN, , Herakles Farnese standing left, left
hand behind back, resting right on club set on rock.

Varbanov 2869 (this coin); Schoenert-Geiss 44-45.

Original owner information lost in website
attack, March 2009. Re-added in August, 2011.
I have discovered that this coin is now in the 
collection of the Museumlandschaft Hessen-Kassel.