The King of Rock 'n' Roll: The Complete 50s Masters by Elvis Presley (Cassette Box set). UNOPENED MINT CONDITION!!! One of a kind treasure that is an extremely rare find! NEVER opened, still in plastic. Contains 5 cassettes including the complete masters of all songs released in the 50's plus MANY more. Will be shipped with the utmost care and is an absolute MUST have for ANY Elvis Collector.