Watch List notes:

Agrippa. Died 12 BC. Æ As (29mm, 12.39 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). Near VF, dark green patina with traces of red, minor roughness.

From the D. C. Kopen Collection. Ex Classical Numismatic Group 47 (16 September 1998), lot 1432 (pedigree to Hall Park McCullough Collection in error).