The difference between the Fleetwood and the deVille pull strap screw covers is both the design engraved as you can see and the turned down sides. I'm pretty sure that because of the door trim, they were molded specifically for each spot. I'm looking for at least the driver's door cover that would be closer to the front of the car.
Jeremy sent me pictures of deVille covers which will not work. Here are the pictures for comparison.