It's easy to forget that Sandberg appeared in 13 games with the Phillies in 1981. He was traded in the offseason along with Larry Bowa to the Cubs for Ivan DeJesus (seems to us that the Cubs won that trade). Of course, that means there was a very short window of time for this ball to be possible. Charles Feeney ball with 23 signatures, including:
Ryne Sandberg HOF
Mike Schmidt HOF
Pete Rose, who is very sorry he bet on baseball
John Vukovich deceased 2007
Dallas Green deceased 2017
Ramon Aviles deceased 2020
Dan Larson
Mike Proly
Marty Bystrom
Bob Boone
George Vukovich
Bake McBride
Dick Davis
Lonnie Smith
Jerry Reed
Luis Aguayo
Warren Brusstar
Don McCormack only appeared in 3 games that year
Greg Gross
Larry Bowa
Ozzie Virgil
Sparky Lyle
There is an unidentified signature on the north panel. Ball is accompanied by a full Letter of Authenticity from CAS.