1980s Oakland Athletics Multi-Signed Baseball Featuring Rickey Henderson, Jose Canseco, Mark McGwire & Tony La Russa – Approx. 25 Signatures (Greenshields Collection)

Official American League baseball signed by numerous members of the famed late-1980s Oakland Athletics organization, featuring several key players and personnel from the club’s dominant “Bash Brothers” era.

Executed primarily in blue ballpoint pen across multiple panels, the baseball includes signatures identified as:
Rickey Henderson
Jose Canseco
Mark McGwire
Tony La Russa
Dave Stewart
Terry Steinbach
Carney Lansford
Walt Weiss
Curt Young
Rick Honeycutt
Dave McKay
and additional unidentified signatures.

The grouping represents one of the most recognizable eras in Oakland Athletics history, highlighted by the powerhouse clubs that captured multiple American League pennants and the 1989 World Series championship. Hall of Fame manager Tony La Russa appears alongside superstar sluggers Jose Canseco and Mark McGwire, with additional contributions from several key members of the Athletics roster during the franchise’s peak years.

The baseball presents attractively overall, with a strong concentration of signatures and excellent vintage display appeal. The combination of star power, team significance, and recognizable Athletics names makes this an appealing multi-signed baseball from one of the defining teams of the late 1980s.

Authentication & Provenance
This baseball has not been submitted for third-party authentication and is offered without a Certificate of Authenticity.

The signatures present consistently with known examples from the respective players and originate from the Greenshields Collection, a long-held private collection assembled over many years featuring a broad selection of autographed sports memorabilia and professional model equipment.

Condition
The baseball displays moderate age-related toning and handling wear consistent with long-term storage and display. Signatures remain generally bold and legible overall, with varying degrees of strength and natural fading typical of period blue ballpoint pen signatures. Please refer to photographs for complete condition details.

Details
Item: Multi-Signed Official American League Baseball
Team: Oakland Athletics
Approximate Signature Count: 25
Notable Signers: Rickey Henderson, Jose Canseco, Mark McGwire, Tony La Russa, Dave Stewart, Terry Steinbach & Others
Era: Late 1980s / Early 1990s
Authentication: No COA
Provenance: Greenshields Collection