Fun collection of (12) Major League caps signed by some of baseball's greatest. All are signed on the bills unless otherwise noted and include: Frank Robinson "586" Reds cap Bob Doerr Red Sox cap Brooks Robinson "HOF 83" Orioles cap Frank Robinson "586" Orioles cap Multi signed Brooklyn Dodgers cap with Drysdale, Snider, Koufax and Reese Eddie Mathews "512 HR" Boston Braves cap Yogi Berra signed Yankees cap Enos Slaughter "H.O.F. 1985" St. Louis Cardinals cap Tom Seaver signed Mets cap Nolan Ryan signed Mets cap Nolan Ryan signed Texas cap Rollie Fingers signed A's cap (faint signature left of A's logo)