Graded EX 5 by PSA with the AUTHENTIC auto evaluated by PSA/DNA and encapsulated by the service. Keynote 1957 Topps #328 Brooks Robinson signed rookie card. This "Charm City" mainstay penned the lower left section of his fourth series debut in blue ink with the autograph registering ("8") quality. Signed Hall of Fame rookies have surged in value and the offered "Human Vacuum Cleaner" is a prime opportunity to secure a particularly eye-catching example. Opening Bid $300.