Watch List notes:

Agrippa. Died 12 BC. Æ As (29.5mm, 11.14 g, 6Rome minth). Rome mint. Struck under Gaius (Caligula), AD 37-41. Head left, wearing rostral crown / S C across field, Neptune standing left, naked except for cloak hanging over right arm, behind back and over left shoulder and upper arm, holding small dolphin in outstretched right hand and trident in left. RIC I 58 (Gaius); BMCRE 161-8 (Tiberius); BN 77-97 (Caligula). Good VF, green patina with patches of red, areas of smoothing.