I pulled out a 1957 MS63 (ICCS) grade I own. Here is a pic but taken through holder.
Same camera, same location photographed (just a hint of sunlight on this one) as the first two pics.

Does make it any easier or change anyone's opinion when you see all three pics knowing the last one is an MS63?
I was guessing the 1958 as MS62 and the 1964 as MS60 but maybe they are MS63 and MS62. I am not good at this grading game yet.