The Aquarius HX Sandman that Absinth mentioned did not reach its researve, highest bid was $11,100 back in Jan 2008. It may have gone for sale later on I am not sure. Would have made a great resto project.

This was the spiel:

"is The Most Original HX Sandman
I Have Ever Seen.
Immaculate interior
All Original Paint.
Original Decals.
Van Panels Uncut.
Original Radio.
Dash 10 out of 10 (Perfect)
Original Monaro Wheels,Dash,Steering Wheel.
Van comes with all Original Documentation
Service Books,Owners Manual,
GM Chief (Radio) Warranty Book,
GMH V8 Engine Starting Procedure Card,
Paint & Corrosion Pamphlet,
Delco Optikleen Advertising Card,
All in Good Order...
It is a Real Time Capsule (about 2-3 Days work
to get the Body Straight)
Minimal Rust.
Only a couple of small pieces on quarters...
I am selling for a friend,
will answer any questions as honestly as i can
Melbourne