The 1917-D Buffalo Nickel is a historic coin made from a copper-nickel alloy, featuring the iconic Native American and buffalo designs that are emblematic of early 20th-century American currency. Measuring 21.2 mm in diameter, this coin is often used for educational purposes, coin collecting, or as a unique gift for history enthusiasts. Its semi-key date status makes it a notable piece for those interested in the evolution of U.S. coinage.