Coin 310 - an AR Denarius of L. Calpurnius Piso Frugi struck 90 BC in Rome
Obverse: Laureate head of Apollo right, trident behind, control mark A below chin.
Reverse: Warrior riding horse right, holding palm frond and reins, above a trident right. L PISO FRUGI and control mark R in two lines below.
Coin Summary
This coin is an AR Denarius struck 90 BC in Rome

It weighs 3.9 grammes and measures 19 millimeters in diameter. The die axis is 1 H.

It is classified as Roman Republican (92-79 BC) and belongs to SystemAccount

Lucius Calpurnius Piso Frugi, a monetalis around 90 BC. As praetor in 74, he vetoed many of the edicts issued by his colleague Verres, who was famously attacked by Cicero in the speeches known as the Verrines.
Crawford 340/1, Sydenham 669f, Calpurnia 11.