Question concerning '68 Dart vent window rubber seal
Pass side which may or may not have ever been out
Driver's side which I did have out and had to remove the sealer to get the vent window out off the door frame.
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