I will try to do this without a picture. I have a 85 300tdt, new to me. It came with 2 ignition keys plus a 3rd small key in a little plastic baggie. The key is ,well, key shaped, about 1 inch long but without the typical serrations of a regular key. It is steel, kind of looks like a slug, just stamped out of a piece of metal

I bought the car sight unseen, never talked with the original owner, bought it through his mechanic.