HELP!! WE HAVE BRAND NEW VINYL AND LEATHER SEAT COVERS, STILL IN THE ORIGINAL BOX WITH THE ORIGINAL RECEIPT, PURCHASED IN 1963 FROM FINGERHUT IN ST. CLOUD, MN. THESE ARE BLACK AND WHITE BENCH STYLE , NEVER TAKEN OUT OF THE BOX. WE DONT KNOW WHAT THEY ARE FOR. SOME PEOPLE SAY THEY ARE FOR EITHER A FORD FAIRLANE OR I'VE ALSO BEEN TOLD THAT THEY ARE FOR A MID FIFTIES CHEVY? CAN ANYONE HELP IDENTIFY AND VALU? THANKS