The signature on the card was included in an auction lot which was pre-certified by a 3rd party authenticator. The card does not have a specific Certificate of Authenticity.

• This signed card of Jack Phillips is an authentic signature on an original issue Baseball card
• Card is from the 1955 Bowman Baseball set
• As National sellers since 1986, Mickeys attests to the authenticity of the signature and offers a full money back guarantee
• We offer combined shipping discounts for multiple trading cards or autographed cards purchased together
• We are happy to answer any questions about the cards provenance or condition before you order