Septimius Severus. Denarius; Septimius Severus; 193-211 AD, Rome, 209 AD, Denarius, 3.13g. BM-5, C-531, RIC-230. Obv: SEVERVS - PIVS AVG Head laureate r. Rx: P M TR P XVII COS III P P Salus seated l. feeding serpent held in lap. From the Philip Ashton Collection, purchased in Nottingham, June 2001.. MS