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Not listedPSA 9 MINTBaseballPolygon
1991 Upper Deck #555 Ken Griffey Jr (PSA 9 MINT)
StatusNot currently listed — delisted Aug 22, 2026, 7:51 AM
View on CourtyardValuation
Platform estimateCourtyard Est. Value · not our FMV
$19.90Insured valuenot reported by platform
—Details
- Type
- Graded card
- Grading company
- PSA
- Grade
- 9 MINT
- Cert number
- 63178869
- Set
- Upper Deck
- Card number
- 555
- Year
- 1991
- Language
- English
- Category
- Sports Cards
Price history — asks observed by Graded.Markets
First seen Aug 20, 2026, 8:13 PM · last synced 21 h ago · listed Aug 21, 2026, 5:03 PM. Data aggregated from Courtyard; FMV figures combine licensed market data calibrated against observed sales, provided as-is.