Pertinax, AR Denarius, AD 193. Rome. 19 mm, 3.30 g. 

IMP CAES P HELV PERTIN AVG, laureate head right.
IANO CONSERVAT, Janus standing front, holding long scepter in his right hand and fold of his garment with his left. 

RIC 3; BMCRE 2; RSC 17.

With permission of Leu Numismatik AG auction 12, Lot 1218, May 2022.