CollVest Coins, LLC is the leading coin dealer in Medford, MA. Specializing in Cash for Gold, Gold & Silver Buyers and Dealers, Jewelry Buyers, Precious Metal Dealers and Buyer & Bullion Dealers. If you’re looking to sell any unwanted jewelry, condition not important, we offer very competitive prices and will pay you immediately for your items. If you’re looking to purchase gold coins or bullion, we are a premier source for all your purchases.