On Sat, 29 Dec 2018, Sam O'nella via cctalk wrote:
Maybe too easy but have you asked the seller if they
know anything about
it's origins? I'd also guess maybe an employee or it could just be one
of the 6 motherboard types as someone else commented. Pretty awesome
though with the low serial. Thanks also for the blog. I had no idea
about the different designs and cases.
Some small companies would give employees extreme discounts if they
assembled one themselves using mostly parts which had been deemed too
obsolete for production.