Collectible coins, such as the 1952 Denver nickel (5c), are sought after by numismatists and investors. This particular coin falls within the series of U.S. nickels, which were minted primarily for circulation. The 1952 Denver nickel features a portrayal of Thomas Jefferson on the obverse and Monticello on the reverse. Collectors often focus on factors like mintage, condition, and historical significance, with coins in higher grades or with unique characteristics typically commanding higher prices.