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Listings from Collector Crypt, Courtyard, Phygitals, Beezie, and MNSTR. Purchases are completed on the source marketplace.

Fair-market-value figures are computed by Graded.Markets from licensed market data, calibrated against observed sales and independently corroborated nightly — how we price. Platform estimates and insured values are reported by the source marketplace. All figures provided as-is. Not investment advice.

1988

Fleer · #423

All tracked copies

Copies are matched across platforms by set, card number, and language (registry v1 — exact normalized matching). FMV figures combine licensed market data calibrated against observed sales, provided as-is.

Fleer #423 — Graded.Markets

0 copies for sale

1988 Fleer #423 Greg Maddux (PSA 10 GEM MINT)

no image

Not listed

Viewon Courtyard

1988 Fleer #423 Greg Maddux (PSA 10 GEM MINT)

PSA 10 GEM MINTBaseball

$47.05USDC

Est. $48.50Ins. —

CourtyardPolygon