2013 Leaf Executive Collection Masterpiece authentic dual cut signature card of legendary NFL quarterbacks Dan Marino and Bernie Kosar, who starred simultaneously in the Miami when Kosar was leading the Hurricanes to the 1983 National Championship, later faced each other in an NFL divisional playoff game, and finally became teammates with the Dolphins. This is a unique 1/1 card that is authenticated by JSA and/or PSA/DNA and slabbed (not graded) by Beckett Grading Services.