NICE RARE CARD -- THE SQUARE PROOF -- SUPER RARE -- THE 1989 IS PROBABLY THE RAREST OF THE DISC SETS-- THE CARD IS CLEAN AND BACK IS WHITE AND BLUE--THE OTHER DISCS  FROM THAT YEAR HAVE RED BACKS AND MOST OF THE CIRCLE ONES HAVE SOME DISCOLOR -- THIS ONE DOES NOT--THE DISC IS ORIGINAL AND THE ONLY LIKE IT ON EBAY -- IT ALSO HAS SHARPER IMAGE AND COLOR THAN THE CIRCULAR DISC-- RARE VARIATION -- GRADING COMPANYS WILL GRADE THIS CARD -- NORMAL CARD STOCK-- IT IS PICTURED WITH A MONTANA RED BACK TO SHOW DIFFERENT BACKS-- THE MONTANA RED BACK IS NOT INCLUDED