A coin dealer is a professional who buys, sells, and trades coins, often focusing on rare or collectible pieces. They may operate through physical shops, online platforms, or at coin shows. Coin dealers typically have extensive knowledge about various types of coins, including their history, value, and market trends. Many coin dealers also provide services such as appraisals and grading, helping collectors understand the condition and worth of their coins. They may deal in different categories, including ancient coins, numismatic coins, and bullion coins. Building trust with clients is essential for a successful coin dealer.