Watch List notes:

Pertinax (193 AD.). AR Denarius, Rome mint. Obv. IMP CAES P HELV PERTIN AVG. Laureate head right. Rev. OPI DIVIN TR P COS II. Ops seated left, holding two corn-ears. RIC 8. AR. g. 2.62 mm. 18.00 RR. About EF. Very rare. A superb portrait.