Watch List notes:

The Roman Republic

Cn. Domitius Ahenobarbus. Denarius, mint moving with Ahenobarbus in 41, AR 3.88 g. AHENOBAR Male head r., slightly bearded. Rev. CN·DOMITIVS IMP Trophy with two spears and shield standing facing on prow r. Babelon Domitia 21. Sydenham 1177. Sear Imperators 339. Crawford 519/2.
Rare. Light iridescent tone, weakly struck and slightly off-centre
on reverse, otherwise good very fine / very fine

Ex Gadoury sale 30 November 2013, 37.
Cn Domitius Ahenobarbus, admiral and later marauder during the Civil war, issued this coin possibly to commemorate his naval victory over Domitius Calvinus in 42 BC, when he was saluted as 'imperator' by his troops. It is uncertain whether the portrait is of himself or one of his ancestors. AMP.