Ford Thunderbird 390 oil fill cap cover lid. Removed from a 1964 Ford Thunderbird. Believed to be correct for for many other ford FE engines though you should confirm first. 

I HAVE MANY OTHER THUNDERBIRD PARTS FROM THIS CAR AND SEVERAL OTHER YEARS SO IF YOU NEED SOMETHING JUST ASK.

Register your T-bird on Tbird.info and I will give a 10% discount off the listing price. This discount will apply to new or currently registered vehicles. All you need to do is show me that you have registered your T-bird and ask for the discount.