![1969 Seattle Pilots, No. 21 Tommy Harper – Oldtime Baseball Game](https://sabrbaseballcards.files.wordpress.com/2023/09/1970asbrooks.jpg?w=731)
1969–1980 – SABR's Baseball Cards Research Committee
![1969 Seattle Pilots, No. 21 Tommy Harper – Oldtime Baseball Game](https://i.ebayimg.com/thumbs/images/g/f0MAAOSwG-RlKAjD/s-l640.jpg)
Seattle Pilots Baseball Sports Trading Cards & Accessories 1969 Season for sale
![1969 Seattle Pilots, No. 21 Tommy Harper – Oldtime Baseball Game](https://i.ebayimg.com/thumbs/images/g/bM0AAOSw-Khir7NU/s-l640.jpg)
Seattle Pilots Vintage MLB Programs for sale
![1969 Seattle Pilots, No. 21 Tommy Harper – Oldtime Baseball Game](https://m.media-amazon.com/images/I/81xSxjzdPEL._AC_UF1000,1000_QL80_.jpg)
Ball Four: The Final Pitch: 9781630260347: Bouton, Jim, Kurman, Paula: Books
![1969 Seattle Pilots, No. 21 Tommy Harper – Oldtime Baseball Game](https://townsquare.media/site/535/files/2023/10/attachment-Twins-02.jpg?w=1200&h=0&zc=1&s=0&a=t&q=89)
Minnesota Twins Take 2 Of 3 From Colorado Rockies
![1969 Seattle Pilots, No. 21 Tommy Harper – Oldtime Baseball Game](https://3.bp.blogspot.com/-GD1qlYLhz4Y/VvMHs50z3TI/AAAAAAAANr4/3SNEqsLQkgQm03g9HmqdwFvvr4TIlufsQ/s1600/1971%2BTopps%2BAL%2BStolen%2BBase%2BLeaders.jpg)
Cards That Never Were: 1971 Topps AL Stolen Base Leaders: Bert Campaneris, Tommy Harper, Sandy Alomar
![1969 Seattle Pilots, No. 21 Tommy Harper – Oldtime Baseball Game](http://1.bp.blogspot.com/-KWU_Jw5TKQM/T4y9aKhkM-I/AAAAAAAACPI/k2JntyylegY/s1600/1970+Topps+Tommy+Harper+All+Star.jpg)
Cards That Never Were: 1970 Topps Tommy Harper All Star
![1969 Seattle Pilots, No. 21 Tommy Harper – Oldtime Baseball Game](https://vintagecardprices.com/pics/1845/152477.jpg)
Tommy Harper Baseball Cards
![1969 Seattle Pilots, No. 21 Tommy Harper – Oldtime Baseball Game](https://sabrbaseballcards.files.wordpress.com/2023/09/1967brooks.jpg?w=690)
1969–1980 – SABR's Baseball Cards Research Committee