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51b99a6a5e71e7fdb48af8d970b2e722f1e27e9db0a04d4d899007c4ae6ef4b6
Not listedPSA 10 GEM MINTBaseballPolygon
1988 Fleer #423 Greg Maddux (PSA 10 GEM MINT)
StatusNot currently listed — delisted Aug 18, 2026, 1:52 AM
View on CourtyardValuation
Platform estimateCourtyard Est. Value · not our FMV
$48.50Insured valuenot reported by platform
—Details
- Type
- Graded card
- Grading company
- PSA
- Grade
- 10 GEM MINT
- Cert number
- 31167663
- Set
- Fleer
- Card number
- 423
- Year
- 1988
- Language
- English
- Category
- Sports Cards
Price history — asks observed by Graded.Markets
First seen Aug 17, 2026, 9:38 PM · last synced 5 d ago · listed Aug 17, 2026, 9:56 AM. Data aggregated from Courtyard; FMV figures combine licensed market data calibrated against observed sales, provided as-is.