what is difference between 67 and 68 door?

I have a 67 Barracuda that was hit in the right front several years ago before I bought it. I believe the PO used a 68 fender and 68 door on the right side to replace the damaged 67 parts. The only difference I can tell from the original 67 door on the left side and the replaced 68 door on the right is where the lock pull pokes out of top of the door the hole is bigger on the 68.

The 68 fender had the marker light hole welded up and other than that I can tell no difference. I don't know about the placement of a rear view mirror since my car does not have one on the right side. Also, if the internal brackets and mounts are different for the vent window on the 68, you sure can't tell any difference on the outside.