1955 Topps #124, Harmon Killebrew RC.
On August 10, 1971, at Metropolitan Stadium in Minneapolis, Twins slugger Harmon Killebrew becomes the 10th member of the 500 Home Run Club. “Killer” hit 2 HRs on the day, his 500th and 501st HRs. The Twins still lost 5-4 to the Baltimore Orioles and Mike Cuellar.

Happy Sunday friends and card folk. 🌞
Have a great day! 👊