Obverse: head of Saturn right, harpa left; PISO · CAEPIO· Q
Reverse: two questors seated left between two stalk of grain; AD·FRV·EMV / EX·S·C
Coin Summary
This coin is an AR Denarius struck 100 BC in Rome

It weighs 4.2 grammes and measures an unknown number of millimeters in diameter. The die axis is unknown.

It is classified as Roman Republican (106-93 BC) and belongs to J B

This exceptional type was a joint issue of the Quaestor Urbanus (Caepio) and the Quaestor Ostiensis (Piso), struck to finance discounted grain on the initiative of Saturninus (lex frumentaria de semissibus et trientibus = one semis and one triens for modius). Coins were struck by special decree of the Senate (Ad frumentum emundun, ex senatus consulto) in order to fulfill above-mentioned decree.
Crawford 330/1b, SRCV I 210, Sydenham 603a, RSC I Calpurnia 5a