This official Rawlings Major League Baseball is signed in person by supermodel Kate Upton. Signed sports memorabilia by Upton are rare, making this a standout addition for collectors of both sports and celebrity autographs. A tangible piece of pop culture history, this baseball captures her iconic presence and adds a unique connection to the world of baseball and modeling. Certified authentic by James Spence Authentication, Inc. (JSA), a trusted authority in autograph verification. Serial number HH01788.