Bill Brennan Cards
The complete Bill Brennan checklist: 3 cards — cards spanning 1988–1989, 1 rookie card.
Data updated June 11, 2026.
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baseball
1989
Score 19891 card
1988
ProCards 19881 card
Frequently Asked Questions about Bill Brennan Cards
Does Bill Brennan have a rookie card?
Yes. The AgentGrail catalog includes 1 Bill Brennan rookie card across this set. Rookie cards are among the most sought-after Baseball cards for collectors and investors.
What years were Bill Brennan cards made?
The AgentGrail catalog includes Bill Brennan cards from 1988 through 1989, totaling 3 cards across all sets and brands. The earliest cards date from 1988 and the most recent are from 1989.
What sets include Bill Brennan cards?
Bill Brennan cards appear in numerous sets, including Score, Score 100 Rising Stars, ProCards. The full checklist on this page lists every set in the AgentGrail catalog.
Where can I buy Bill Brennan cards?
eBay is the largest marketplace for Bill Brennan 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 11, 2026