Usain Bolt / 8 Olympic Gold Medals - Authentic and Signed Official Baseball Autograph - with Certificate of Authenticity This signed item was signed by Usain Bolt during an autograph session. The item comes with a full MFL Certificate of Authenticity. The item comes with an exclusive MFL authentication hologram. Usain Bolt, the world's fastest man, capable of breaking all records. https://www.memorabiliaforless.com/certification/