It's a C4 Marte frame with Wilier stickers. C4 is an Italian brand specialized in carbon frames. I think they still work. So, it was not a mass production item for sure. It perfectly fits in the cathegory of high end frames . Made in Italy, the first I've seen dates back to 1991. Not overly coveted, but a nice piece of plastic!
First carbon fork ever on a Mtb, too. Apparently, it was very stiff. The price for a XT model was 3800000 ITL (which would make about 2000 Euros now). The carbon Trek 8900 with Bullseye Hubs, Grafton brakes, Rock Shox RS1 and xc pro went for just 100 pounds more (just to give you an idea)
I can also see a nice Titanio 200 saddle by Selle San MArco, much more comfortable than, and as light as, the infamous Flite.