Unser (b. 1962) is a two-time Indy 500 winner and winner of 34 Indy Car Series races. He is one of the most decorated Indy Car racers and was inducted into the Indianapolis Motor Speedway Hall of Fame in 2007. He was also inducted into the Motorsports Hall of Fame of America in 2009.
I mailed to Unser on December 19 and got the card back on January 11, for a 23-day TAT.