Nolan Arenado Autographed Black Marucci Player Model Baseball Bat St. Louis Cardinals Fanatics & MLB Holo

This piece carries MLB Authentication — Major League Baseball's official, in-house authentication program. Every MLB-authenticated item was processed by an off-duty law-enforcement officer working as an MLB Authenticator who personally witnessed the item being used in a game, signed by the player, or otherwise certified at an MLB-sanctioned event. Each item carries a tamper-evident hologram with a unique alphanumeric code, and MLB maintains a public verification portal where any item can be looked up directly.

1. Locate the MLB Authentication hologram applied to the item. The alphanumeric code is printed on the hologram itself.
2. Visit MLB's official authentication portal at mlb.com/authentication.
3. Enter the hologram code into the lookup tool.
4. Confirm the match. MLB's database will return the full provenance of the item — including the date, location, and circumstances of authentication. These should match the piece in your hands.

If you ever have any question about this item's authenticity, contact us directly at orders@gamedaysportsmemorabilia.com or 844-747-1658. Every item we sell is backed by our Lifetime Authenticity Guarantee: if any piece ever fails authentication by the issuing authenticator, we refund 100% of the purchase price for the lifetime of your ownership.