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4c66b6cbaab4102814e87065ee4367d51980b4c3b62a63f6121d2f027306aa66
Not listedPSA 10 GEM MINTBasketballPolygon
2025 Topps Chrome Rock Stars #RS-19 Kon Knueppel (PSA 10 GEM MINT)
StatusNot currently listed — delisted Aug 18, 2026, 1:43 PM
View on CourtyardValuation
Platform estimateCourtyard Est. Value · not our FMV
$393Insured valuenot reported by platform
—Details
- Type
- Graded card
- Grading company
- PSA
- Grade
- 10 GEM MINT
- Cert number
- 158310425
- 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 12, 2026, 1:10 AM · last synced 5 d ago · listed Aug 12, 2026, 1:03 AM. Data aggregated from Courtyard; FMV figures combine licensed market data calibrated against observed sales, provided as-is.