Pages 16 and 17 of this forum is where I found them:
https://m.mobile01.com/topicdetail.php?f=181&t=935147&p=16
The forum has 76 pages of MP collector chats from 2009-2011 - including @bluejeff and perhaps some other folks on Knockology. @Severest was asking for old MP blogs. This might be worth checking out. I learned of a few retractable I had never heard of, in addition to the four little-known Autos noted above.
I need to add an “unknown” section and add these
Yeah, I wish the photos were higher res for your detective work.
Yeah, NOCTY… they often showed up yellowed. Big reason why I haven’t picked up one. The black one is the KNOCKLESS, which also comes as a ballpoint. Circa 1986 according to this scan:
Well, that listing looks like it isn’t yellowed…. There’s another listing of one I found that is in terrible condition
I guess it’s just that I’m not looking too hard for it. I kinda like the Knockless more. It’s more Bauhaus-y and the black ribbing reminds me of the Braun ET-66 calculator 
Wow, a white one?? Cool.
BRAUN’s designs still don’t feel outdated, even looking at them in 2026.
The level of industrial design they achieved is honestly something I deeply admire.
Have you seen the Düller BP / MP / FP designed by ex-Braun design head Dietrich Lubs?
Yup, that’s the one. Comes inside a small notebook.
