Only 50 Greenbrier vans were produced in 1964 with the camper package and that this one also has the aftermarket “Turtle Top” that lifts the roofline when parked to provide 72 inches of standing height.
This unit also has been displayed recently in the Corvette Museum in Glenarm, Illinois.
Related -Custom Corvair Pickup with a Mid-Engine Twin-Turbo LSx V8