Watch List notes:

Caracalla (198-217), Sestertius, Rome, AD 215; AE (g 24,16; mm 30; h 1); M AVREL ANTONINVS PIVS AVG GERM, laureate, draped and cuirassed bust r., Rv. [P M] TR P XVIII IMP III COS IIII P P, Caracalla, in military attire, standing l., foot on crocodile, holding spear; opposite him, stands Isis, advancing r., holding out two corn-ears and sistrum; in ex. S C. RIC 544; C 334.
Very rare, fine portrait, green patina, extremely fine / about extremely fine.