Watch List notes:

Caracalla (198-217), Antoninianus, Rome, AD 215; AR (g 5,04; mm 22; h 1); ANTONINVS PIVS AVG GERM, radiate and cuirassed bust r., Rv. P M TR P XVIIII COS IIII P P, Diana in biga of bulls l. RIC 256b; C 294.
Scarce, cabinet tone, good extremely fine.