🥊 Autographed/Signed Michael 'Jinx' Spinks White Boxing Trunks — JSA COA — Born July 22, 1956, St. Louis, Missouri — 1976 Olympic Gold Medalist — Light Heavyweight World Champion — IBF Heavyweight World Champion — Beat Larry Holmes Twice — JSA COA

🥊 These white boxing trunks carry the autograph of Michael 'Jinx' Spinks — the 1976 Olympic gold medalist, light heavyweight world champion, IBF heavyweight world champion, and the only man in professional boxing history to move from the light heavyweight division to win the heavyweight championship of the world. James Spence Authentication's JSA COA certifies this signature permanently in the JSA registry, providing the documentation that collectors and institutions require. Condition: NOS.

🌟 St. Louis, Missouri — The Spinks Boxing Legacy

🌟 Michael Spinks was born on July 22, 1956, in St. Louis, Missouri — the same city that produced his brother Leon Spinks, creating one of the most remarkable athletic family stories in American boxing history. The Spinks brothers grew up in the Pruitt-Igoe housing project in St. Louis, developing the determination and toughness that would eventually carry both of them to Olympic gold medals and world heavyweight titles. Michael was the quieter, more methodical of the two brothers — a tactical fighter whose patience and ring intelligence contrasted with the explosive drama of Leon's career while producing arguably the more complete professional resume. Condition: NOS.

🏆 1976 Montreal Olympics — Gold Medal at Light Heavyweight

🏆 The 1976 Summer Olympics in Montreal, Quebec produced one of the most remarkable performances in American boxing history: the United States won five gold medals in boxing, including Michael Spinks at light heavyweight and Leon Spinks at heavyweight — the only instance of brothers winning gold medals in boxing at the same Olympics. Michael's gold medal was the foundation of a professional career that began with the light heavyweight title and ultimately reached the highest level professional boxing offers. Condition: NOS.

⭐ Light Heavyweight Champion and the Ascent to Heavyweight History

⭐ Michael Spinks built his professional career on technical excellence and ring intelligence — becoming the WBA and WBC light heavyweight champion and defending that title successfully before setting his sights on an achievement that no light heavyweight champion had ever accomplished: winning the heavyweight championship of the world. On September 21, 1985, in Las Vegas, Spinks faced IBF heavyweight champion Larry Holmes — a 48-0 unbeaten champion considered nearly invincible — and defeated him by unanimous decision. The victory made Michael Spinks the first light heavyweight champion in history to win a heavyweight championship. He defeated Holmes again in the April 1986 rematch, completing a two-fight series that stands as one of the most significant achievements in the history of the division crossover fight. Condition: NOS.

🌟 June 27, 1988 — The 91-Second Night Against Mike Tyson

🌟 The most famous night of Michael Spinks' career was not a victory but a performance against the most feared heavyweight in the sport: on June 27, 1988, at Convention Hall in Atlantic City, Spinks faced an undefeated Mike Tyson for the undisputed heavyweight championship. Tyson knocked Spinks out in 91 seconds — one of the fastest heavyweight title fight endings in history. The performance was less a reflection on Spinks' ability and more a demonstration of what Tyson was at his absolute physical peak: a force that ended contests before they could develop. Spinks retired after that fight with a professional record of 31 wins and 1 loss — undefeated for his entire career save for the one man who was undefeatable that night. Condition: NOS.

🥊 JSA COA — Authentication for a Two-Division Champion's Signature

🥊 James Spence Authentication is one of the most trusted sports autograph authentication organizations in North America. The JSA COA on these Michael Spinks white boxing trunks confirms the signature was physically examined against known authentic Spinks exemplars and entered into the JSA registry with a unique certificate number that permanently documents this piece. Condition: NOS.

🥊🌟 Michael Spinks. St. Louis, Missouri. 1976 Olympic gold medal. Light heavyweight world champion. IBF heavyweight world champion. Beat Larry Holmes twice. 31-1 professional record. White boxing trunks, personally signed, JSA COA. Condition: NOS.