The coin in question is a 2016 Kennedy Half Dollar, minted at the San Francisco Mint, designated as a proof coin. This stunning piece of numismatic art features the iconic design commemorating the legacy of President John F. Kennedy, who was assassinated in 1963. With a denomination of 50 cents, or half a dollar, this particular coin exhibits a diameter of 30.6 mm and weighs 11.34 grams. It is made from a copper-nickel clad copper composition, which gives it a beautiful shine and distinct appearance typical of proof coins. This specific piece has a mint mark of 'S', indicating its origin from the San Francisco Mint, known for producing high-quality coins with striking details, particularly in their proof issues. Though the mintage of this coin is reported as 0, it's essential to understand that this usually signifies that the exact figure was not documented or is not available in public records. The proof finish enhances its visual appeal, making it a desirable addition for collectors interested in modern U.S. coinage. In summary, this 2016 Kennedy Half Dollar is a remarkable example of American coinage, combining historical significance with numismatic beauty, perfect for collectors and enthusiasts alike.