Watch List notes:

Agrippa. Died 12 BC. Æ As (29mm, 10.71 g, 6h). Rome mint. Struck under Gaius (Caligula), AD 37-41. Head left, wearing rostral crown / Neptune standing left, holding small dolphin and trident. RIC I 58 (Gaius). Brown surfaces, scratches, areas of roughness, a few scratches, edge marks. VF.

From the B. G. Collection.