1989 O-Pee-Chee OPC #145 Dave Stewart Signed MLB Baseball Card KSA Graded Auto 91989 O Pee Chee #145 Dave Stewart card hard signed by Stewart in black marker Slabbed and authenticated by KSA. Autograph has been graded a 9. Card itself shows some light cornerwear, particularly in the bottom left corner but is otherwise in excellent condition. Dave Stewart was a dominant MLB pitcher best known for the Oakland Athletics, also playing for the Los Angeles Dodgers, Texas Rangers, Toronto Blue Jays, Philadelphia Phillies, and San Diego