This 2005 Donruss Diamond Kings baseball card boasts the signature of experienced MLB player A.J. Pierzynski, which is in permanent ink. The card is certified and securely encased by Beckett Authentication Services (BAS) with a unique authentication number 00016507944. It is a standard-sized, card stock material, and authorized collectible card by Donruss. Featuring the autograph of Pierzynski, who has played for notable teams including Boston Red Sox, San Francisco Giants, Chicago White Sox, Texas Rangers, Atlanta Braves, Minnesota Twins, and St. Louis Cardinals, this card is marked with the number 200 and is a part of the 2005 Donruss Diamond Kings series, a collection of trading cards featuring popular MLB players. This autographed card is a must-have for all baseball aficionados and collectors. Signed in sleek Black Sharpie. AJ Pierzynski Autographed San Francisco Giants 2005 Donruss Diamond Kings