All Panteras have the crease at the belt line don't they? Some paints jobs or photos just don't make it as obvious as others, here's another photo of the orange car, with the belt line crease more visible.
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.