Numismatics is the study and collection of currency, including coins, tokens, paper money, and related objects. This field encompasses various aspects such as the history, design, and production of money, as well as its economic and cultural significance. Collectors and scholars often focus on specific types of currency, such as ancient coins or modern banknotes. The practice of numismatics can provide insights into historical events, trade practices, and societal values. For example, studying ancient Roman coins can reveal information about the empire's economy and political structure. Numismatics also includes the preservation and authentication of currency, making it an important discipline for historians and collectors alike.