The product is a Constantine II Roman coin from the era of Ancient Roman Imperial rule, minted in Antioch around 337-361 AD. This billon coin is certified by NGC with the certification number 8230143-008, and is graded as CH VF. It features Constantine II as Caesar, with a denomination of Nummus. This historical piece of Roman currency offers a glimpse into the Imperial period of Ancient Rome and the specific minting location of Antioch.