The professionals at Coin Galleries of Oyster Bay are the best in the business—we’ve been buying, selling, and appraising all kinds of coins for nearly 50 years! Experienced collectors have long valued our wide selection and the personal attention and deep knowledge of our specialists. For those who are not experienced, or trying to ascertain the value of an inherited collection, we take pride in educating our customers on the current and past values of items in your collection with full disclosure.