The one I am thinking of, the cat is down on its forelegs with its butt in the air...kind of the opposite of the logo at the top of this website! For the life of me, I can't remember where I saw it, as it's been many, many years ago.
Propane, you are correct, the one at the top of the web site could have been the Mercury logo for the dealerships. I seem to remember now that there was a crouching cat in the mercury sign in front of our local dealership. That is the cat on the back of my car. Never seen one crouching ready to pounce. Sal
BTW I still want a print of your signature art, sure would look great in my office.
I don't know about a "graphic", but during the introduction of the Cougar, there was a stuffed, taxidermied (sp ?) Cougar that was used by the L-M division to advertise the coming of the Cougar. It is down on its forelegs with its hind quarters raised in a position that sounds like the one you describe. It might be on the TCCN achives.