RPC online 48225 (only 4 in core collections) very similar to the example in the Fitzwilliam which is less worn.
O: Laureate and draped bust of Caracalla facing right, seen from over the shoulder. M AYPHΛ ANTΩ [-----] (ΑΝΤΩΝΕΙΝΟϹ ΠΕΙΟϹ ΑΥ)
Reverse - Caracalla, on horseback, right arm raised. ΩΝ in exergue. (ϹΑΜΙ-ΩΝ)
Ex: Incitatus
common theme from period late in Caracalla's reign circa CE 215-217 with emp. on horseback riding down the enemy.
