The product is an AR Denarius coin from the Roman Empire, specifically from the reign of Emperor Antoninus Pius, who ruled from AD 138-161. The coin weighs 2.85g and has a fineness corresponding to a Grade of VG. It features a depiction of Antoninus Pius on one side and likely includes inscriptions related to the emperor's reign. The coin is from Italy and was minted in 161 AD during the Ancient era of Roman Imperial history.