The steering wheel is a Ferrero 2 spoke that the early pushbuttons came with. It should have a ghia center emblem, not the DeTomaso one that I have on it.
Its the one shown in the original ad...
Here is a picture of the wheel on car #1252...
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.