Watch List notes:

Pertinax. A.D. 193. AR denarius (17 mm, 2.87 g, 12 h). Rome. IM[P CAES] P HELV PERTIN AVG, laureate head of Pertinax roght / OPI DIVIN TR P COS II, Ops seated left, holding two grain ears. RIC 8a; BMC 19-21; RSC 33. Very fine.