1971 O-Pee-Chee OPC #325 Juan Marichal Signed Baseball Card KSA Graded Auto 101971 O Pee Chee #325 Juan Marichal baseball card, hard signed in black marker by Marichal Slabbed and authenticated by KSA. Autograph has been graded a 10. Card itself shows some moderate edge and cornerwear but is otherwise very presentable. Notable crease in the bottom left corner. Juan Marichal was a Hall of Fame MLB pitcher best known for the San Francisco Giants, also pitching for the Boston Red Sox and Los Angeles Dodgers. Famous for his high