Soiled and game prepared "muddied" Bobby Brown American League baseball signed across the sweet spot by Nolan Ryan in black ink. Signature rates 8 out of 10. Additional inscribed date of "Sep/30/91" and "#5,500" written above and below Ryan signature in unknown hand. The ball originated from the personal collection of American League umpire John Shulock who retained a game ball from the September 30, 1991 contest between the Texas Rangers and Seattle Mariners. Ryan struck out Tino Martinez for the milestone 5,500th career whiff. Includes full LOA from PSA/DNA and letter of provenance from umpire John Shulock: Ball: VG-EX, Signature: NM-MT