Watch List notes:

Pertinax. AD 193. AV Aureus (21mm, 7.31 g, 6h). Rome mint. IMP CAES P HELV PERTIN AVG, laureate head right / PROVID DEOR COS II, Providentia standing left, both arms raised toward star in field. RIC IV 10A; Calicó 2387 (same rev. die as illustration); BMCRE 10; Biaggi 1043. Superb EF. Fine style portrait on a broad flan.