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.
1 copy for sale across Courtyard · from $650
2025 Panini Donruss Optic Downtown Duos #6 Ben Roethlisberger/Bill Cowher (PSA 9 MINT)
$650USDC
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