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AgentGrail/baseball/Players/Theo Gillen
Theo Gillen trading card

Theo Gillen Cards

The complete Theo Gillen checklist: 100 cards — cards spanning 2023–2026, 4 autographs.

1,083 Theo Gillen cards sold on eBay in the last 30 days (as of July 16, 2026).

Median PSA 10 $132Raw $17.13

Data updated July 16, 2026.

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Frequently Asked Questions about Theo Gillen Cards

Does Theo Gillen have a rookie card?
No confirmed Theo Gillen rookie cards are currently in the AgentGrail catalog. The catalog covers 100 Theo Gillen cards in total. Check back as we continue to add new sets.
What years were Theo Gillen cards made?
The AgentGrail catalog includes Theo Gillen cards from 2023 through 2026, totaling 100 cards across all sets and brands. The earliest cards date from 2023 and the most recent are from 2026.
How much is a Theo Gillen card worth?
Recent eBay comps show Theo Gillen PSA 10 cards selling for around $132.00 on average. Raw copies typically sell for around $17.13. Values vary by year, set, and condition. Always check recent sold listings for current pricing.
Are there Theo Gillen autograph cards?
Yes. The catalog includes 4 Theo Gillen autograph cards. Autographed cards are typically the most valuable Theo Gillen cards in a set and can command significant premiums in graded condition.
What sets include Theo Gillen cards?
Theo Gillen cards appear in numerous sets, including Bowman, Leaf Vivid Baseball, Leaf Metal, and 2 more. The full checklist on this page lists every set in the AgentGrail catalog.
Where can I buy Theo Gillen cards?
eBay is the largest marketplace for Theo Gillen 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 16, 2026