Peter,
Panteras by Wilkinson is the official Detomaso distributor in the USA and his website shows the emblem available for $108.
Hope this helps!
Emblems Link
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.