Pertinax. AD 193. AR Denarius (17mm, 1.99 g, 12h). Alexandria mint. IMP CAES P HELV PERTIN AVG, laureate head right / OPI DIVIN TR P COS II, Ops, draped, seated left on throne, holding two grain ears in right hand and left hand on seat of throne. RIC IV 8a; RSC 33a; BMCRE 21. Iridescent tone. EF. Superb portrait. Very rare.