My rare items are only Unix-adjacent. I have a Digital “Beta” prototype, the first Alpha machine in a PC form factor. It runs OSF-1, or would if I can find the SIMMs I borrowed from it :). I have some boards for a Digital Firefly, a research vax multiprocessor that ran a Modula-2 based OS that would run Ultrix binaries.
That's incredibly cool. Do you know if any of the Firefly machines survived? I saw a VAXstation 3540 for sale at some point recently but it was well out of my price range; I hope it found a good home.
-Henry