Blake Treinen Oakland A's Signed 2018 All Star Baseball JSA WIT COA 1st ASG
Blake Treinen Signed Official Major League 2018 All Star Baseball
This is an Official Major League 2018 All Star Baseball that Blake signed at a public signing. This item will come with a JSA WITNESS COA & #d. Witness COA's guarantees the signature to be real as a JSA employee was present at the signing. JSA is a leading authenticator in our industry. We use stock photos.
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