MARIO ANDRETTI. Bold vintage signature in black felt tip ink on a 6×4 white index card. Very fine condition , with a pencil annotation along the bottom edge. A pencil notation on the reverse side indicates that this autograph was obtained in person in February 1971. The Italian, born American racer won 100 races during his career , including Formula One , NASCAR , the Indianapolis 500 nd the Daytona 500. John Verzi collection.