I first met Brian at POCA events in 1990 (or before), and agree, it's unfortunate if he's no longer in the Pantera business.
A first-class guy, he also had an outstanding experienced crew (some of whom have since retired) to help cover everything up to full restorations. Guess we're all getting older ;-)
Thankfully there's resources like this site, and still a few out there supporting our cars w/parts and service. But maybe fewer than before
Here's is the car built by Lance Nist for Dr. Neil Graham. Sold last year on bring-a-trailer and still looking like I remembered it from the 80's - 90's.