This coin is a 1938 Jefferson Nickel, minted in Denver (indicated by the "D" mint mark). A part of the United States coinage, it has a denomination of 5 cents, also known as a nickel or half dime. The coin is composed of copper-nickel and has a diameter of approximately 21.2 millimeters, weighing 5 grams. The 1938 Jefferson Nickel is part of a series that pays tribute to Thomas Jefferson, the third President of the United States. On the obverse side, it features a portrait of Jefferson, while the reverse showcases Monticello, his Virginia estate. With a mintage of 5,376,000, this coin represents a standard mint strike from its era. Although the physical dimensions for width and height are not applicable (noted as 0.00000000), its value can vary based on its condition, rarity, and demand within the numismatic community. As a historical piece from the early 20th century, it holds both collectible and monetary value for enthusiasts and investors alike.