The coin in question is a 2015 Kennedy Half Dollar minted in Denver, identified by the mint mark 'D'. This coin belongs to the Kennedy Half Dollar series and features a denomination of 50 cents (or fifty cents). It is produced from copper-nickel clad copper and has a weight of 11.34 grams, with a diameter of 30.6 millimeters. The 2015 minting has a reported production of 2,300,000 coins, making it a collectible piece within the series. The overall quality of the coin is determined by its mint strike, which indicates that it was produced to the full standards set by the United States Mint. Typically, Kennedy Half Dollars are appreciated for their commemorative nature and detailed design, featuring the profile of President John F. Kennedy on the obverse and the Presidential Seal on the reverse. As a relatively modern coin, its market value may not reflect significant numismatic premium unless in exceptional condition or specific grading. However, it serves as a notable representation of American coinage from the current era.