If you go to the following section of the Official Harley Earl Website, you will see part of the provenance, that the bidders at Barrett-Jackson had been clued into before this motoramic masterpiece went up for auction: http://www.carofthecentury.com/harley_earl_led_the_way_in_detroit_styling_&_engineering.htm I was showing this historically innovative 1956 GM ?dream car? press release to potential bidders...and many were thrilled to see that the F-88 was on a storied list of priceless Harley Earl show cars. Richard Earl