Imperial coins are currency issued by an empire, often featuring the image of the reigning emperor or significant symbols of the state. These coins served not only as money for trade but also as a means of propaganda, showcasing the power and achievements of the empire. Throughout history, different empires, such as the Roman Empire and the Byzantine Empire, minted their own unique coins. Collectors and historians study these coins to gain insights into the economic conditions, art, and culture of the time. Each coin tells a story about the society that produced it, making them valuable artifacts.