Matt Gruenloh
@CheckmateInOne
Scranton, Pa
Rookie Seller
Rising Star Buyer
Joined since May 2025
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Followers
35
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Following
38
What I'm Collecting
New York Mets
Philadelphia Eagles
Pittsburgh Steelers
Roberto Clemente
Tom Seaver
Nolan Ryan
Mike Piazza
Juan Soto
Tom Seaver Mets
Baseball
Football
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Total cards sold:
34
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Average ship time:
1.0 days
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Last active:
about 10 hours ago
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Seller rating
(10)
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Buyer rating
(10)
5% off on orders of $10.00 or more
Only applies to listed items, and is not applied to negotiated Deals.
Minimum of $1.95 per order
Tracked USPS standard envelope. $0.75-$1.31 | USPS Ground Advantage if 2.0oz+, $20.00+ or Graded cards. $5.90–$12