The 1964 D Double D Nickel is a circulated United States coin with a denomination of 5 cents. This specific coin was minted in Denver as a business strike, featuring the image of Jefferson on the obverse. It is uncertified and ungraded, making it a unique and historical addition to any coin collection. The Double D variety indicates that both the obverse and reverse of the coin feature the designer's initials, adding an extra layer of interest for collectors.