Caracalla, Rome mint, 214 AD.,
Æ As (24-25 mm / 10,08 g),
Obv.: [ANTONIN]VS PIVS AVG GERM , laureate head of Caracalla right.
Rev.: [P M TR P] XVII IMP - III COS IIII P P / S - C , Mars, in military attire, standing l., foot on helmet, his right holding branch, left leaning on spear.
RIC IV, I, 300, 532a ; Coh. 261 .