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AgentGrail/baseball/Players/John Valentin

John Valentin Cards

The complete John Valentin checklist: 189 cards — cards spanning 1990–2003, 1 rookie card, 3 autographs.

Median PSA 10 $14.25Raw $2

Data updated July 14, 2026.

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Frequently Asked Questions about John Valentin Cards

Does John Valentin have a rookie card?
Yes. The AgentGrail catalog includes 1 John Valentin rookie card across this set. Rookie cards are among the most sought-after Baseball cards for collectors and investors.
What years were John Valentin cards made?
The AgentGrail catalog includes John Valentin cards from 1990 through 2003, totaling 189 cards across all sets and brands. The earliest cards date from 1990 and the most recent are from 2003.
How much is a John Valentin card worth?
Recent eBay comps show John Valentin PSA 10 cards selling for around $14.25 on average. Raw copies typically sell for around $2.00. Values vary by year, set, and condition. Always check recent sold listings for current pricing.
Are there John Valentin autograph cards?
Yes. The catalog includes 3 John Valentin autograph cards. Autographed cards are typically the most valuable John Valentin cards in a set and can command significant premiums in graded condition.
What sets include John Valentin cards?
John Valentin cards appear in numerous sets, including Fleer Tradition, Upper Deck, Upper Deck Victory, and 2 more. The full checklist on this page lists every set in the AgentGrail catalog.
Where can I buy John Valentin cards?
eBay is the largest marketplace for John Valentin 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 July 14, 2026