This official MLB baseball is personally autographed by 21 members of the World Series Champion 1969 "Amazin" New York Mets. They had an 100-62 regular season to win the National League pennant and would defeat the Orioles 4-1 in the World Series. It was just their ninth season in existance and they had never finished higher than 9th place in the standings and at one point in the season they were 17.5 games back of the Cubs. Members who have signed this baseball include: Tom Seaver "69 ws champs" inscribed, Duffy Dyer, Wayne Garrett, Amos Otis, Al Weis, Yogi Berra, Al Jackson, J.C Martin, Art Shamsky, Ron Swomboda, Ed Kranepool, Jim McAndrew, Jerry Grote, Joe Pignatano, Bud Harrelson, Ed Charles, Ken Boswell, Ron Taylor, Jim Gosger, Cleon Jones, Jerry Koosman. This ball includes a MLB authentication sticker (which means all autographs were witnessed by MLB representative) and a certificate of authenticity from Denver Autographs