1972-D Kennedy Half Dollar with Doubled Die Reverse (DDR) error, copper-nickel clad composition, United States Mint

The Kennedy Half Dollar was introduced in 1964 to honor President John F. Kennedy following his assassination in 1963. From 1971 onward, the composition changed from 40% silver to copper-nickel clad. The 1972-D issue is notable among collectors for its documented Doubled Die Reverse (DDR) variety, where doubling appears in the lettering on the reverse, particularly visible in 'UNITED STATES OF AMERICA' and other inscriptions. This doubling occurred during the die-making process when the die received multiple impressions that were slightly offset. DDR error coins are highly sought after by numismatists and error coin collectors who specialize in mint varieties and production anomalies. The 1972-D Kennedy Half Dollar DDR represents a significant find for collectors building specialized error coin collections or completing Kennedy Half Dollar variety sets. Error coins like this command premium prices over standard circulation strikes, with value depending heavily on the strength and visibility of the doubling. These coins appeal to advanced collectors who appreciate the technical aspects of coin production and the rarity of documented mint errors.