Ron, a couple of the Pantera vendors own molds for making them. Very low volume so I doubt if such would be in stock but they can build-to-order of whatever fabric you specify. One that comes to mind is Larry Stock's Pantera Parts Connection in Carson City, NV, the other is Kirk Evans in N. Ohio.
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.