Ancient Roman silver denarius of emperor Septimus Severus / Africa

This is an ancient Roman silver denarius of Emperor Septimius Severus, minted at Rome in 207 AD. 

Obverse:  SEVERVS PIVS AVG "Severus, the pious emperor (Augustus)" Head of Septimius Severus, laureate, right

Reverse: P M T R P XV COS III P P "High priest, holder of tribunician power for the 15th time, consul for the third time, father of the nation." Africa, wearing elephant-skin head-dress, draped, standing right, holding out drapery with fruits in its fold (?) and holding snake (?) in left hand; at feet, right, lion.

CULTURE: ROMAN

DENOMINATION: Denarius

MATERIAL: Silver

DATE: 193 - 211 AD (this coin was minted in 207 AD)

SIZE: 19mm dia

WEIGHT: 3.19 grams

ATTRIBUTION: RIC IV 207a; BMCRE 530 note; RSC 493b

PROVENANCE: Formerly in a private collection in London, Ex. Timeline Auctions