Mark Knowlton
@Knowlty19
Rookie Buyer
Joined since Jun 2026
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Followers
146
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Following
141
What I'm Collecting
Shohei Ohtani
Michael Jordan
Kobe Bryant
Paul Pierce
Wayne Gretzky
Ray Bourque
Joe Sakic
Sidney Crosby
Baseball
Basketball
Football
Hockey
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Total cards sold:
0
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Last active:
about 5 hours ago
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Seller rating
(0)
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Buyer rating
(3)
Tracked USPS standard envelope. $0.75-$1.31