Watch List notes:

Caracalla. A.D. 198-217. Æ as (24 mm, 10.31 g, 1 h). Rome, A.D. 216. ANTONINVS PIVS AVG GERM, leaureate head of Caracalla right / P M TR P XVIIII COS IIII P P around, S C in exergue, radiate lion prowling left, holding thunderbolt in jaws. RIC 564a. Rare type. Dark green patina, light porosity. Very fine.