Collectible coins, particularly U.S. coins, can include a wide range of types, including dimes, which are worth ten cents. The 1972 Denver dime is part of the Roosevelt dime series, minted in Denver, and represents the 1946 redesign that honors President Franklin D. Roosevelt. Collectors often seek out coins in various conditions, including those from specific years and mint marks, such as the "D" mint mark for the Denver mint. A 10c roll refers to a collection or roll of ten-cent coins, which can be of interest to numismatists for both their historical and monetary value.