It looks to me like a 28/29 tudor or coupe door. However, my 28 coupe's door is about 44" high (29" wide). Are you sure of the 35.5" dimension, as the pictures look like the door is taller than 35.5". The belt line in the pictures is more flatish than 30/31's, so it does appear to be a 28/29 door.
Rusty Nelson