Up for Buy-It-Now is a new old old stock (without the box) radio control / windshield washer knob, Ford casting number C8AA-18817-A. According to my Ford O.S.I Obsolete, Superseded and Interchange catalog, this casting number is C8AZ-18817-A and used on the following models and years:
1968 Ford Full Size....Radio Control knob, 2 needed
1968 Thunderbird.....Windshield Washer Knob, 1 needed
The knob is in brand new, never used condition and shows no indication of ever being mounted or installed. It is free of any pits, scratches or damage. Cast on the base is C8AA-18817-A and the vintage FoMoCo logo.
Please feel free to E-mail me questions. International bidders are always welcome. Thanks for looking!!