On my 86 GT5 it seems to be more closer to carpet than felt... and it has a "leather" edging around the perimeter.
I can find something close and could probably be able to get someone local with some sewing skills to attach the edging.
Thanks for the reply
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.