Antique coins are old coins that are typically at least 100 years old. They are often collected for their historical significance, artistic design, and rarity. Many antique coins come from different cultures and time periods, making them valuable to collectors and historians alike. Collectors often seek out antique coins from famous eras, such as the Roman Empire or the Medieval period. The value of these coins can vary greatly based on their condition, age, and demand in the market. Antique coins can also provide insight into the economic and social conditions of the time they were minted.