GreatCollections conducts weekly auctions of rare coins, modern coins, paper money and other numismatic items. Coins are graded by PCGS or NGC and paper money is graded by PMG or PCGS. Customer support is available by phone or email Monday - Friday, 7am-5pm. Please call 949-679-4180 to make an in-person appointment. We offer free coin appraisals and estimates, as well as the lowest fees in the industry, whether buying or selling at auction. All coins and currency have been professionally listed by GreatCollections expert staff. Since 2010, GreatCollections has auctioned over 950,000 certified coins valued at over $500 million. Our complete auction archive is available free of charge and is a great resource for coin values.