Okay, the Discovery wheels sent by @Hide have landed.
They pass the visual inspection, and I was secretly hoping for orange, so bonus.
Here’s a closer look at the cores:
Spoke thickness:
The weights:
Here’s the pulley lowdown:
Classic clones fit with some slop:
Clone+ fits very snugly (my eLofty adapters):
Original ABEC cores do not fit:
Here’s the packaging:
!
Bearings and spacers are included as a nice touch:
Will start rides tonight and report back. (And yes @linny , I will fix the orientation of those two photos later. 
EDIT: Fixed. I live in fear of Linny. He’s a bully.)