Roman Imperial
Septimius Severus (193-211 AD) Rome
AR Denarius (18,9 mm 2,99g)
Obv: SEVERVS PIVS AVG, laureate head to right
Rev: P M TR P XVII COS III P P, Neptune standing to left, foot on globe and holding trident.
RIC IV 228; BMCRE 3; RSC 529.