Watch List notes:

Agrippa, As struck under Gaius, Rome, AD 37-41; AE (g 10,57; mm 28; h 6); M AGRIPPA L - F - COS III, head l., wearing rostral crown, Rv. Neptune cloaked standing l., holding small dolphin and trident; in field, S - C. RIC 58; C 3.
Dark green patina, somewhat smoothed, anyway extremely fine.

Estimate: 800 GBP