Jonas Underkoffler
@jonasundy
Mechanicsburg
Joined since Feb 2026
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Followers
45
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Following
4
What I'm Collecting
Pittsburgh Steelers
Duke Blue Devils
Pittsburgh Steelers
Paul Skenes
Konnor Griffin
Baseball
Basketball
Football
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Total cards sold:
6
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Average ship time:
4.1 days
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Last active:
2 months ago
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Seller rating
(6)
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Buyer rating
(3)
Tracked USPS standard envelope. $0.75-$1.31