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c8d2a629f1f567437c3c8aab871868dd2967fc04be17ef0455c97ba73c6d78de
Not listedPSA 10 GEM MINTBaseballPolygon
1990 Donruss Grand Slammers #4 Mark McGwire (PSA 10 GEM MINT)
StatusNot currently listed — delisted Aug 11, 2026, 3:59 PM
View on CourtyardValuation
Platform estimateCourtyard Est. Value · not our FMV
$35.70Insured valuenot reported by platform
—Details
- Type
- Graded card
- Grading company
- PSA
- Grade
- 10 GEM MINT
- Cert number
- 135136140
- Set
- Donruss Grand Slammers
- Card number
- 4
- Year
- 1990
- Language
- English
- Category
- Sports Cards
Price history — asks observed by Graded.Markets
First seen Aug 11, 2026, 2:34 AM · last synced 11 d ago · listed Aug 11, 2026, 2:13 AM. Data aggregated from Courtyard; FMV figures combine licensed market data calibrated against observed sales, provided as-is.