It's not broken, don't fix it!
Can't see it either:
Listing has been removed.
As it's totally non-standard and unfinished, it would be cheaper to start afresh than attempt to figure out what's been done and what still needs doing ...and whether what has been done, has been done correctly. Now not worth more than the scrap value of the parts.
According to the person who started this travesty, the G-Wagen was designed in WW2 ?
the chassis and body work might be worth that, then sell the Audi stuff to fund the lost parts...naw too much work, avoid