Jason Mattern
@PopsCardz
Rising Star Buyer
Joined since Jul 2025
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Followers
120
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Following
20
What I'm Collecting
Chicago Cubs
Carlton Fisk
Pete Crow-Armstrong
Baseball
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Total cards sold:
13
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Average ship time:
1.9 days
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Last active:
2 days ago
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Seller rating
(4)
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Buyer rating
(17)
15% off on orders of $25.00 or more
Only applies to listed items, and is not applied to negotiated Deals.
Minimum of $3.00 per order
Free Shipping