This is a game used National League baseball signed by 15 members of the 1978 Montréal Expos, including:

Hall of Famer Gary Carter

Hall of Famer Andre Dawson

Manager Dick Williams

Scott Sanderson

Woodie Fryman

Steve Rogers

Hal Dues

Dan Schatzeder

Dave Cash

Ellis Valentine

Tony Perez

Wayne Twitchell

Billy Gardner

This baseball was passed down to me from my grandfather, who worked in MLB as an equipment transporter in the 60s, 70s, and 80s.

All signatures are clearly visible!