The emblem looks like some that I purchased from Wilkinson's a few years back. Made of some metal with adhesive on back with peel off paper that said Made in China.
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.