Silver denarius of Vespasian.
Obverse: Laureate bust of Vespasian, facing right, legend around '[IMP] CAES VESP AUG [P M COS IIII]'
Reverse: Figure of Victory, walking right, to place palm leaf on a standard. Legend around 'VICTORIA [AVGVSTI]'
Possibly of low silver content due to presence of verdigris.
Roman Imperial Coinage, volume II, page 57, number 362 or page 20, number 52.
Roman Silver Coinage, number 618.