Question concerning '68 Dart vent window rubber seal

Pass side which may or may not have ever been out
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Driver's side which I did have out and had to remove the sealer to get the vent window out off the door frame.

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It's hard to see but the rubber does touch the inside of the door frame and makes a good seal.

Center in last pic is a key wedged between the rubber and the door frame creating slight gap that looks slightly lighter in color