The 1949 D Jefferson Nickel is a circulated 5 cent coin minted in Denver. This nickel is composed of 0.75 fineness nickel and struck as a business coin. Although it is not certified, it is a piece of US currency that holds historical value for collectors. The Jefferson Nickel series starting in 1938 features a portrait of Thomas Jefferson on the obverse and varying designs on the reverse, representing different aspects of American history and culture.