This Autographed Baseball has been Personally Signed by Keith Hernandez, Jesse Orosco, Ron Darling, Mel Stottmyre, Brian Giles, Ron Hodges, Davey Johnson, Doug Sisk, John Gibbons, Ross Jones, Frank Howard, Junior Ortiz, Sid Fernandez, Rusty Staub, Bill Robinson, Darryl Strawberry, Hubie Brooks, Herm Winningham, John Stearns, and three others of the New York Mets. 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.