@MTN posted:Didn't Kansas City Southern have at least one E7 with round portholes like MP?
Curiosity got the best of me - a quick online check turned up this nice snap of KCS E7 #12 with portholes instead of the rectangular windows on the bulk of E7 production:
That photo with the round portholes is dated March 1967 - seems odd that KCS would "backdate" #12 to have the round portholes - maybe they had spares from F units on hand?