Watch List notes:

Pertinax, 193. Denarius (Silver, 17 mm, 2.12 g, 12 h), Rome. IMP CAES P HELV PERTIN AVG Laureate head of Pertinax to right. Rev. [OPI DIVIN] TR P COS II Ops seated left, holding two grain ears in her right hand. BMC 19. Cohen 33. RIC 8a. Crystallized, otherwise, fine.