Here's some pics from my very original '53 Suburban that might help.
[img]http://www.erha.org/53suburban/suburban-seats-001.jpg[/img]
[img]http://www.erha.org/53suburban/suburban-seats-002.jpg[/img]
[img]http://www.erha.org/53suburban/suburban-seats-003.jpg[/img]
[img]http://www.erha.org/53suburban/suburban-seats-004.jpg[/img]
[img]http://www.erha.org/53suburban/suburban-seats-005.jpg[/img]

Seats are the most rare item in a Suburban, I'd like to see them traded back and forth before anyone cuts one up to try and make another. In addition to the frames being different, the wooden bits inside the seats are different too. (and don't forget the "elevator" bolts to hold them to the floor)
-John

original '53 Suburban