Silver denarius, 17mm, 3.92gm, issued 129 BC. Rome mint.
Obv: Helmeted head of Roma right, XVI monogram behind.
Rev: Q PILIPVS (ROMA in ex.), Helmeted horseman galloping right holding spear.
References: Sear 135, Cr 259/1.
Reverse refers to moneyer's ancestor who defeated Philip V of Macedon in 196 BC.