Watch List notes:

Agrippa. Died 12 BC. Æ As (29.5mm, 10.88 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). Good VF, brown and green surfaces, areas of light porosity on reverse.

From the Archer M. Huntington Collection, ANS 1001.1.22948.