1 of only 318 produced 1968 Shelby GT500KR convertibles has finally become a priority to the owner, and he cracked open the tomb (shipping container)

He bought it 1978 from the original owner, barely drove it for the next year then stored it away

http://www.hotrod.com/articles/1968-shelby-gt500kr-convertible-sees-light-day-parked-since-1978/