An ORIGINAL, vintage, VERY RARE 1977 self-adhesive bumper sticker for radio station WPST 97.5FM Trenton, NJ.  This was for a $10,000 Stereo Sticker Contest (see back photo for details).  Have stored since new in a no smoking home.  In excellent condition--fold on far right--see photo.  Measures 15” x 3 3/4".