Watch List notes:

Agrippa. Died 12 BC. Æ As (27.8mm, 9.46 g, 7h). 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). VF, riverine surfaces with some roughness.

From the Collection of a Texas Wine Doctor. Ex Classical Numismatic Group Auction XXII (2 September 1992), lot 327.