1990 Upper Deck #124 George Brett - Error-133 Runs Should Be 1300 (PSA 10 GEM MINT)

StatusNot currently listed — delisted Aug 10, 2026, 2:56 AM

View on Courtyard

Valuation

Platform estimateCourtyard Est. Value · not our FMV

$21.10

Insured valuenot reported by platform

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First seen Aug 8, 2026, 1:29 AM · last synced 13 d ago · listed Aug 9, 2026, 2:34 AM. Data aggregated from Courtyard; FMV figures combine licensed market data calibrated against observed sales, provided as-is.