1971 O-Pee-Chee OPC #300 Brooks Robinson Signed MLB Baseball Card KSA Auto 81971 O Pee Chee #300 Brooks Robinson baseball card, hard signed in blue marker by Robinson Slabbed and authenticated by KSA. Autograph has been graded an 8. Card itself shows notable edgewear throughout but is still very presentable. Brooks Robinson was a legendary Baltimore Orioles third baseman and one of the greatest defensive players in MLB history. A two time World Series champion (1966, 1970), 1964 AL MVP, 18 time All Star, and 16 time Gold