Watch List notes:

Caracalla (198-217), Sestertius, Rome, AD 213; AE (g 24,95; mm 32; h 6); M AVREL ANTONINVS PIVS AVG BRIT, laureate and cuirassed bust r., Rv. P M TR P XVI - COS IIII P P, Mars standing l., holding Victory and resting on shield; before, captive; in field, S - C. RIC 496c; C 217.
Rare, bold portrait. Green patina, about extremely fine.