I found this when searching Google, I'm sure it's an old ad but may provide some information for you. Good luck!
http://showroom.auction123.com...981/THPNNA06094.html
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.