The coin in question is a 1988 Washington Quarter, a notable item in numismatic collections. Minted at the Denver Mint, it carries the 'D' mint mark, signifying its origin. As a quarter, it has a denomination of 25 cents, which is commonly used in everyday transactions within the United States. This particular quarter is made from a copper-nickel clad copper composition, contributing to its durability and familiar feel. It weighs 5.67 grams and has a diameter of 24.3 millimeters, typical of modern U.S. quarters. In terms of production, this piece was produced through a mint strike method, which is the standard process for creating coins. The mintage for the 1988 Washington Quarter was significant, with a total of 596,810,688 coins produced, indicating that it is relatively common in circulation and among collectors. Overall, this coin exemplifies American numismatic history and provides a glimpse into the larger series of Washington Quarters, which are celebrated for their design and historical significance. With its distinctive features and widespread availability, the 1988 Denver Quarter is a staple in the realm of collectible coins, appreciated both for its craftsmanship and the legacy of George Washington it commemorates.