Street sign used in downtown Indianapolis as part of the celetration of the 90th running of the Indianapolis 500 Mile Race ran on May 28, 2006.  This sign was in honor of Al Unser, Sr., 4 time winner of the Indianapolis 500.  It has the 90th running event logo, the event date, and "Unser Av".  It has also been autographed by Al Unser.  Sign measures 10 inches by 4 feet.