Caracalla AE25 of Tomis, Thrace.

AVGO KAIC M AVR ANTWNEINOC, laureate, draped, cuirassed bust right.
MHTROP PONTOV TOMEWC, male figure with raised right hand,
driving cart left, drawn by an ox or bull, preceded by 
female figure running left, hand drawing drapery from neck.

AMNG 2880; Varbanov 4985

Classical Numismatic Group, Inc.
CNG 194, Lot 91. Estimate $200. Sold for $638.
Erroneously described as an unpublished coin of Marcus 
Aurelius due to a mis-reading of the obverse legend.