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MLB Memorabilia Signed MLB pieces, each a single item authenticated by PSA/DNA, JSA or Beckett. Certificate numbers are listed on every product page so they can be checked against the issuer's own records.
2 pieces available · from $104.99
James Spence Authentication (JSA)
Oakland Athletics
Pete Rose · Cincinnati Reds
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Every piece we list is a single item, authenticated by an independent third party, sold once and never restocked. If a certificate cannot be verified against the issuer’s own records, the piece does not go on the site.
Policies GOAT Sports Memorabilia is not affiliated with, endorsed by, sponsored by, or otherwise associated with the athletes shown, any team, or any league. All names, logos and trademarks are the property of their respective owners and are used for identification only. © 2026 GOAT Sports Memorabilia. All rights reserved.
