Watch List notes:

ROMAN EMPIRE. Caracalla. AD. 198-217. AR Denarius (3.82 gm; 19 mm). Rome, AD. 210-213. ANTONINVS PIVS AVG BRIT, laureate bust right / MARTI PROPVGNATORI, Mars walking left, holding spear and trophy. RIC 223; RSC 150. Sharply struck on a nice broad flan. Choice AU.