Septimius Severus AR Denarius. Emesa Mint, AD 194-195. 

IMP CAE L SEP SEV PERT AVG COS II, laureate head right.
MART VICTOR Mars, helmeted, naked, except for cloak flying behind him, 
walking right, holding transverse spear and trophy. 

RIC 406a; BMCRE 378 var (emperor's head left); Cohen 324 var.
Very rare

With permission of cngcoins.com, the AK collection sale.