Hello!
I found two more interesting things from Cherry.
First is from an Olympus
electric typewriter and has LINEAR MX white switches, the same as are found in my LOEWE BTX keyboard.
Second find is an unknown designation cherry keyboard with doubleshots and vintage MX black switches. It is definitely made before 1988.
I will open the case in a few days to see if there is any designation on the PCB.
Here are more pictures from my vintage collection:
https://www.kbdmania.net/xe/?mid=photo&page=1&document_srl=5280475&comment_srl=5280492&rnd=5280530#comment_5280530