1964 Philadelphia football card of former pro football fullback Bill “Boom Boom” Brown, who played for 14 seasons in the NFL, all but 1 of them for the Minnesota Vikings. He was a four-time Pro Bowler and three-time All Pro, and also a member of the Vikings’ Ring of Honor. He earned his nickname with a violent, reckless style of running. Former NFL quarterback Rich Gannon is his son-in-law. Brown died in 2018 at the age of 80.