Septimius Severus, AE sestertius, 22.54 gr, 28.94 mm. AD 197-198.

L SEPT SEV PERT AVG IMP X, laureate head right.
MARTI PACIFERO, S-C, Mars, naked, helmeted, standing left, foot 
on cuirass, holding branch and reversed spear.

RIC 741 var (rev. legend); Cohen 318 var (ditto); Sear -.

This coin, without the titles "P M TR P V COS II P P" on the 
reverse, is not in RIC, Cohen, Sear, etc. but other examples are 
known, e.g. the collections in Hannover and Budapest. 

With permission of TimeLine Originals (www.time-lines.co.uk), January, 2014