Watch List notes:

ANCIENT COINS, ROMAN, Mint of Rome unless otherwise stated, Agrippa (grandfather of Caligula, died 12 BC), Æ As, struck under Caligula, AD 37-41, M AGRIPPA L F COS III, bust of Agrippa facing left, wearing rostral crown, rev S-C, Neptune standing left, holding a dolphin and trident, 12.05g, 6h (RIC (Gaius) 58; BMC (Tiberius) 161; RCV 1812). Some surface erosion on the reverse, dark brown-green patina, about very fine.
from the David Sellwood Collection

Estimate: £80-120