Featured is an signed Warren Spahn Milwaukee Braves 1981 Perez-Steele Postcard. This postcard is guaranteed to be authentic. The Perez-Steele Postcards feature members of the Baseball Hall of Fame and are a collectible art card set. Publishing on these postcards began in 1980 and the set is updated every two years to include new inductees. Spahn was a legendary pitcher for the Braves.