Sale listing and result for the online auction dated July 8, 2016, by John McInnis Auctioneers on Liveauctioneers:

Photos accompanying the online auction dated July 8, 2016, by John McInnis Auctioneers on Liveauctioneers:

A letter dated August 29, 1967, by Glenn Koets announcing his ownership of the car:

A letter dated February 10, 1975, by Charles Babcock announcing his ownership of the car:

A note dated July 3, 2016, by Lee Craig announcing auction of the car: