Silver Drachm with horse and caduceus

The Allobroges occupied the territory between the Rhône and Isère rivers — a strategically critical corridor that Rome needed to control its overland route to Hispania. Their resistance was broken by Quintus Fabius Maximus in 121 BC, earning him the agnomen "Allobrogicus," and the tribe was subsequently absorbed into the province of Gallia Transalpina. This coinage was struck entirely under Roman provincial domination, not as an independent power.

The caduceus on this type reflects direct Mediterranean commercial influence, likely absorbed through long-standing trade contact with Massalia rather than Roman imposition.