The product is an AE3 coin from the Eastern Roman Empire, specifically minted during the rule of Emperor Valens from AD 364 to 378. The coin is made of bronze and has been uncleaned. It is certified by NGC and bears the face value of Nummus. The coin's historical significance lies in its association with the Roman Imperial era and its provenance in Italy, making it a valuable piece of ancient numismatic history for collectors interested in Roman coins.