This is an NOS Ford Motorcraft 12V starter solenoid or relay with the original wire attaching nuts. It fits Ford, Lincoln and Mercury vehicles from 1956, when Ford changed to a 12V electrical system, thru 1978.  The top of the bracket has “Motorcraft” and the Ford engineering part # “D2AF 11450-AA” stamped into the bracket.  The bracket has a cadmium like finish. See my eBay store for hundreds of other Ford, Thunderbird,Lincoln and Mercury parts. We charge actual shipping only and are always glad to combine shipping on several auctions or you would be welcome to pick them up at our shop.Thanks!