This is a Chicago Cubs 2023 Topps Baseball Factory sealed special edition 17 card team set; cards are numbered CHC-1 through CHC-17 and are not
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2020 Topps Update Checklist - Hero Habit
Set Building – Page 2 – SABR's Baseball Cards Research Committee
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1956–1980 – Page 3 – SABR's Baseball Cards Research Committee
2021 Topps Series 1 Baseball Checklist - Hero Habit
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SABR's Baseball Cards Research Committee – Page 20