Collectible coins include various types such as commemorative coins, bullion coins, and circulating currency. The United States has produced numerous collectible coins, including the three-dollar gold piece, which was minted between 1854 and 1889. Buffalo Nickels, officially known as the Indian Head Nickel, were issued from 1913 to 1938, featuring a Native American on the obverse and a buffalo on the reverse. The 1927 Denver mint mark Buffalo Nickel is notable among collectors due to its relatively low survival rate and numismatic appeal.