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Not listedPSA 10 GEM MINTBasketballPolygon
2025 Topps Generation Now #GN-4 Kon Knueppel (PSA 10 GEM MINT)
StatusNot currently listed — delisted Aug 20, 2026, 11:43 AM
View on CourtyardValuation
Platform estimateCourtyard Est. Value · not our FMV
$37.60Insured valuenot reported by platform
—Details
- Type
- Graded card
- Grading company
- PSA
- Grade
- 10 GEM MINT
- Cert number
- 158271108
- Set
- Topps Generation Now
- Card number
- GN-4
- Year
- 2025
- Language
- English
- Category
- Sports Cards
Price history — asks observed by Graded.Markets
First seen Aug 13, 2026, 11:11 AM · last synced 2 d ago · listed Aug 13, 2026, 10:43 AM. Data aggregated from Courtyard; FMV figures combine licensed market data calibrated against observed sales, provided as-is.