Hmmm...there's a white 1970 L-78 RS/SS at the Volo Museum. Same place that has the 9,000 mile original LS6 Chevelle 4-speed and the $78,000 L-78 Chevelle ragtop. I saw all three of these cars last Saturday.
They're asking $27,000 for the Camaro.
Hope this link works...
http://www.voloautomuseum.com/showrm_frame.html