You just might have something of value much of it would depend on the appearance of the coin the more pristine the better but about 15 years ago I sold a gold dime for $40 old gold coins and gold certificates (paper money until around the 1950's-60's) are worth a substantial amount more than silver ones due to the fact that gold is just more valuable and gold minting wasn't the more common practice but rather silver so they do qualify as rare