2019 Oakland A's Athletics Marcus Semien #10 Game Issued Grey Jersey 150 P 425
2017 Topps Heritage Baseball Checklist, Set Info, Variations
Oakland A's owe their resurgence to players like Marcus Semien
2017 Topps Heritage Baseball Checklist, Set Info, Variations
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2019 Oakland A's Athletics Marcus Semien #10 Game Issued Grey
2018 Oakland Athletics A's Marcus Semien #10 Game Issued White Playoff Jersey
2019 Oakland A's Athletics Marcus Semien #10 Game Issued Grey
2019 Oakland Athletics A's Marcus Semien #10 Game Issued Green BP Hat
Oakland Athletics Game Used MLB Memorabilia for sale
2018 Oakland Athletics A's Marcus Semien #10 Game Issued Grey
2019 Oakland A's Athletics Marcus Semien #10 Game Issued Grey
2017 Topps Heritage Baseball Checklist, Set Info, Variations
San Francisco Chronicle, September 15, 2019, PDF