Vespasian AE Sestertius. 72-73 AD. Mars 

IMP CAES VESPAS AVG PM TR P P P COS IIII, laureate head right

S-C, Mars walking right, carrying spear and trophy 

References: RIC II, Part 1 (2nd edition) Vespasian 384; Cohen 446; BMCRE 621; BN 609 

Diameter: H-32.1mm; W-32.9mm; axis 6h

Weight: 21.74g