This Autographed Leonard Coleman Baseball with the inscription of "The Shot Heard Round the World Oct.3 1951" has been Personally Signed by Bobby Thomson of the New York Giants. This item is 100% Authentic to include a hologram by Beckett Authentication Services. This item will come with an affixed Beckett Authentication Services (BAS) authentication sticker, which includes a scannable QR code to verify authenticity. Please note that Beckett no longer provides serial-numbered COA cards, and the attached BAS sticker will serve as the complete authentication for this item. The authenticity can be verified on Beckett Authentication Services website. This baseball has some toning due to age. Please refer to pictures for item's condition prior to purchase.