Caracalla, AE 26mm, of Tomis, Thrace.

AVT K M AVR ANTWNEINOC, laureate, draped, cuirassed bust right.
MHTROP PONT TOMEWC, Male figure with raised right hand in 
cart drawn by a bull left, preceded by a female advancing 
left.
AMNG 2881; Varbanov 4938 (this coin).
Courtesy of La Galérie Numismatic, Genève, 2004.