2. You need to post some photos. I know with only 3 posts you cannot post here but you could provide a URL for another location where the photos are posted.
3. There is The Swap Meet part of the Barn were things are bought and sold, see at the top. You may have better luck there.
That body style has a wooden substructure. The sheet metal is nailed on to the wood. The wood is prone to rot. Some from water damage and some from dry rot. If you haven't already, check the doors for fit and looseness. Especially the rear doors. Take a good look at it.