Roman Imperial
Tacticus (235-238), Antoninianus 275-276, Ticinum mint
Obverse: radiate, draped and cuirassed bust right
IMP C M CL TACITVS AVG
Reverse: Mars standing left, holding olive branch, spear and shield, S in exergue
MARTI PACIF
Diameter 22 mm, weight 3.97 g