It is a 1974 L model. There is definitely sticker "residue" on the front which is very visible when you are facing the engine on my car.
I looked at engine compartment photos of every car on qv500 and the best pic I could find of the sticker is this one
http://www.qv500.com/dtrpan06879e.jpg
Anyone know what the rectangular sticker at the top center of this photo is?
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.