by Autograph Warehouse

(Visit the Movers & Shakers in Sports Collectibles list for authoritative information on this product's current rank.)
source https://www.lifetechnology.com/blogs/life-technology-holistic-health-products-blog/3-joe-mauer-autographed-baseball-omlb-minnesota-twins-all-star-sc-aw-authentication-hologram-certificate-authenticity