Seller is a dealer in campers (mentioned openly).
Doesn't mention this, but doesn't this look like another bumper coupler modification? Or is this what the normal 5th coupler looks like? (It looks similar to the bumper mod one in the Palmdale auction I just linked to is why I ask....)
http://cgi.ebay.com/ebaymotors/Scamp-fiber...A1%7C240%3A1318
Has office chairs inside:
The hitch: