Littleton Coin Company is one of America's largest coin dealers, serving collectors since 1945 with rare coins, currency, and numismatic supplies. The family-owned business operates from Littleton, New Hampshire, offering both common and rare collectible coins through mail order and online platforms. Known for its approval service and educational resources, Littleton Coin has helped generations of numismatists build collections while making coin collecting accessible to enthusiasts at all levels.