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bd2123310a98332aa8c00a6e1c2539722175d8cc92a636e1623221a0caf1bb89
Not listedPSA 10 GEM MINTBasketballPolygon
2025 Topps Chrome Rock Stars #RS-19 Kon Knueppel (PSA 10 GEM MINT)
StatusNot currently listed — delisted Aug 14, 2026, 12:26 PM
View on CourtyardValuation
Platform estimateCourtyard Est. Value · not our FMV
$371Insured valuenot reported by platform
—Details
- Type
- Graded card
- Grading company
- PSA
- Grade
- 10 GEM MINT
- Cert number
- 156799838
- Set
- Topps Chrome Rock Stars
- Card number
- RS-19
- Year
- 2025
- Language
- English
- Category
- Sports Cards
Price history — asks observed by Graded.Markets
First seen Aug 7, 2026, 9:25 AM · last synced 9 d ago · listed Aug 7, 2026, 8:54 AM. Data aggregated from Courtyard; FMV figures combine licensed market data calibrated against observed sales, provided as-is.