Caracalla, AE of Rhesaena, Mesopotamia

Obv: AVTOKRATW..., laureate head right, supported by eagle.
Rev: LEG-III to left and right of vexillum; retrograde S-C across
lower fields.

Lindgren I 2608

With permission of Roma Numismatics, Sep. 2010
(Thanks to Kurt E. of the Forvm Ancient Coins for the attribution)