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AgentGrail/baseball/Players/Mariano Duncan
Mariano Duncan trading card

Mariano Duncan Cards

The complete Mariano Duncan checklist: 100 cards — cards spanning 1985–1998, 3 rookie cards, 2 autographs.

Median PSA 10 $587Raw $20

Data updated July 13, 2026.

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Frequently Asked Questions about Mariano Duncan Cards

Does Mariano Duncan have a rookie card?
Yes. The AgentGrail catalog includes 3 Mariano Duncan rookie cards across multiple years and sets. Rookie cards are among the most sought-after Baseball cards for collectors and investors.
What years were Mariano Duncan cards made?
The AgentGrail catalog includes Mariano Duncan cards from 1985 through 1998, totaling 100 cards across all sets and brands. The earliest cards date from 1985 and the most recent are from 1998.
How much is a Mariano Duncan card worth?
Recent eBay comps show Mariano Duncan PSA 10 cards selling for around $587.00 on average. Raw copies typically sell for around $20.00. Values vary by year, set, and condition. Always check recent sold listings for current pricing.
Are there Mariano Duncan autograph cards?
Yes. The catalog includes 2 Mariano Duncan autograph cards. Autographed cards are typically the most valuable Mariano Duncan cards in a set and can command significant premiums in graded condition.
What sets include Mariano Duncan cards?
Mariano Duncan cards appear in numerous sets, including Pacific, Topps Stadium Club, Pacific Crown Collection, and 2 more. The full checklist on this page lists every set in the AgentGrail catalog.
Where can I buy Mariano Duncan cards?
eBay is the largest marketplace for Mariano Duncan 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 13, 2026