Denarius - Septimius Severus (MARS PATER; Mars)
Obverse
Head of Septimius Severus, laureate, right.
Lettering: L SEPT SEV PERT AVG IMP IIII
Reverse
Mars, helmeted, naked except for cloak tied round waist, advancing right, holding transverse spear in right hand and trophy over left shoulder in left hand.
Lettering: MARS PATER
Technical Details
Obverse Lettering
L SEPT SEV PERT AVG IMP IIII
Reverse Lettering
MARS PATER
Comments
Mass varies: 2.31–3.63 g;
Diameter varies: 18–20 mm;
Example of this type:
American Numismatic Society (ANS)
Source:
Online Coins of the Roman Empire (OCRE)