Bill, there were 3 original retaining clips on the door. They were in the curves near the latch.
This is an LCF and there are push pin holes across the bottom. Did not see a metal retainer.
But there is only about a foot of "bottom edge" because of the big cut out for the wheels.


57 GMC LCF 370
55 John Deere 40-W
59 John Deere 430-W
2000 GMC 4x4
56 John Deere 420-W
Pix on Photobucket