Rawlings Official MLB 2019 World Series baseball
(Robert D. Manfred, Jr. Commissioner), signed in ballpoint pen below the World Series logo by Boston Red Sox star (and 2018 AL MVP) Mookie Betts.

Affixed to the baseball is a numbered authenticity hologram from Major League Baseball MLB Authenticated.
Sold with a Certificate of Authenticity from The Autograph Source (Lifetime Guarantee).