Coin collectors are individuals who collect coins as a hobby or investment. They often seek out rare or historical coins, which can include ancient coins, commemorative coins, and currency from different countries. Collecting can be a way to learn about history, art, and economics through the study of coins. Many coin collectors join clubs or attend shows to connect with others who share their interest. They may also use resources like books and online databases to evaluate the value and authenticity of their coins. Some collectors focus on specific themes, such as mint marks or coin grades, to enhance their collections.