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Cert provenancePSA
PSA 10 · cert 79365393
2021 Bowman's Best Best of '21 Autograph Gold Refractor Colton Cowser #B21CCO 18/50 PSA 10
One physical slab, tracked across Alt. Every entry links to the house's own page. Other copies of the same book are title comps — a different thing.
seen Sep 1, 2026
Live now — current bid $355.00