Welcome to GM Authentic Autographs. Be sure to added us to your favorite sellers list... We add new inventory weekly! We travel the county to attend events, movie screenings, film festivals and various other events to be able to provide our customers the best autographs for their collections.Every single item comes with a Certificate of Authenticity from GM Authentic Autographs. Some items may also come with additional authentication through proof photos (when available) or certification from leading TPA's such as Beckett, PSA/DNA or JSA! Item Description: Official Major League Baseball (OMLB). Location of Signing: While out in New York City (Specific details available, upon request). We only sell autographs we obtained in-person so therefore we can guarantee that every item is 100% authentic, signed by the indicated celebrity. The item "JOHN MAYER SIGNED AUTOGRAPH OFFICIAL MAJOR LEAGUE BASEBALL HEAVIER THINGS REAL" is in sale since Monday, September 14, 2020. This item is in the category "Entertainment Memorabilia\Autographs-Original\Television". The seller is "gmauthenticautos" and is located in Woodbury, New York. This item can be shipped worldwide.