This baseball has been personally hand-signed by Don Mattingly with the inscription "Donnie Baseball." It has been obtained under the auspices of the MLB Authentication Program and can be verified by its numbered hologram at MLB.com. It also comes with a tamper-evident hologram from Steiner Sports. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud.

Made in the USA

Personally Autographed by Don Mattingly

Includes tamper-evident hologram to ensure authenticity

Officially licensed

  

• Includes certificate of authenticity and hologram!
• Mattingly's signature is guaranteed authentic through the Steiner hologram system.

MONEY BACK GUARANTEE!

If for any reason you are not completely satisfied with the quality or authenticity of your purchase, we will gladly give you a full refund or exchange, whichever you prefer up to 30 days after purchase.

Please feel free to e-mail us with any questions.

Thank you.

Authenticator Pre-Certified

Authenticator: Steiner Authenticated

History of item: Don Mattingly has signed this item in the presence of a representative from Steiner Sports.

Describe how you came to possess this item: Game Day Legends is a fully authorized dealer for Upper Deck Authenticated as well as Mounted Memories and Steiner Sports.

Other information about you and / or the item: Game Day Legends strives to deliver the most authentic in sports memorabilia from trusted companies like Mounted Memories, Steiner Sports and Upper Deck Authenticated. If it exists, we can find it for you!