is not in great condition. Look at the door! And I think I might see an ominous crack in the frame (could just be a paint-peel line, but the frame does look pretty rusty). But it has the groovy windows
(front and rear) that I have only seen a couple of times before. I've never been sure if that front window is a slider or a jalousie, but I'm guessing it was a design that was hard to operate and/or seal, given how curved the trailer is there.
AC in closet explains vents to rear of door: