This Autographed Lee MacPhail Oal Baseball has been Personally Signed by Stan Coveleski of the Cleveland Indians. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website. We only offers Authentic Autographs by Stan Coveleski through Signings, In-Person Signings or Private Collections to include a 100% money back Lifetime Authenticity Guarantee.