I've been in email contact with this seller trying sort out the identity of this instrument. There's more than one thing that stands out to me as non-standard, but I'm waiting for more details.
One clarification is that his customer claims he made all the parts he didn't buy from us. The listing was edited to state the hardware and electronics are from Alembic, but I haven't seen what's under the hood yet. So at least any potential buyers are getting a little more of the story before purchasing.