Well, the chassis of the all-Kato E8 is substantially different from the chassis of the Con-cor-Kato E8, as evident in photos on Spookshow's site, so determining which is which is a relatively simple task, boxes notwithstanding.
I had forgotten all about these, but I do have a couple of Con-cor/Kato E8 chassis riding under Life-Like shells- found them in a "project box" while looking for parts for something else. In this case- the Life Like dummy couplers, and Unimates on the back.