Mason Cox Cards
The complete Mason Cox checklist: 4 cards — cards spanning 2019, 1 autograph.
Data updated June 18, 2026.
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Frequently Asked Questions about Mason Cox Cards
Does Mason Cox have a rookie card?
No confirmed Mason Cox rookie cards are currently in the AgentGrail catalog. The catalog covers 4 Mason Cox cards in total. Check back as we continue to add new sets.
What years were Mason Cox cards made?
The AgentGrail catalog includes Mason Cox cards from 2019, totaling 4 cards across all sets and brands. The earliest cards date from 2019 and the most recent are from 2019.
Are there Mason Cox autograph cards?
Yes. The catalog includes 1 Mason Cox autograph card. Autographed cards are typically the most valuable Mason Cox cards in a set and can command significant premiums in graded condition.
What sets include Mason Cox cards?
Mason Cox cards appear in numerous sets, including Topps Allen & Ginter, Topps Allen & Ginter X. The full checklist on this page lists every set in the AgentGrail catalog.
Where can I buy Mason Cox cards?
eBay is the largest marketplace for Mason Cox baseball cards, offering both raw and graded (PSA, BGS, SGC) copies. Use the "Find on eBay" buttons on this page to search current listings. For investment-grade copies, look for PSA 10 certified cards.
Answers are grounded in AgentGrail catalog data and recent eBay market comps.
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Compiled by the AgentGrail team · Data refreshed June 18, 2026