John B. Hamrick & Co. has been a leader in the numismatic industry for 50 years. We offer valuable knowledge resulting from 50 years of personal experience as a full time numismatist. John B. Hamrick & Co. attends 20 or more numismatic conventions yearly to keep abreast of the ever-changing market and prices. We are one of the largest internet traders utilizing eBay, Certified Coin Exchange, Collectors Corner and our website. We offer personalized recommendations for your rare coin transactions (buying and selling) based upon your individual needs and requirements.