See what your friends are saying about Gold And Coin Exchange | Buy Sell Gift Cards Atlanta. By creating an account you are able to follow friends and experts. We are a family owned company specializing in buying and selling rare coins and currency. Located in Marietta, Georgia. Welcome to The Gold & Coin Exchange . 9 Atlanta St SE Marietta, GA Auston Gold & Silver Coin Exchange Thank you for reading our guide to gold and silver buying in Atlanta Georgia.