This is a Baltimore Elite Giants Negro League Museum Baseball Cap signed by the following Negro League greats in Black sharpie.  

The baseball is signed by the following (72) Negro League Greats (many are deceased):  Mamie Peanut Johnson, Paul Jones, Walter Owens, Birmingham Sam Brison, Leo Gray, W. James Cobbin, Russell Crazy Legs Patterson, Lonnie Harris, Jumpin Johnny Wilson, Reaf Blue, Tommy Hayes, Otha Lil Catch Bailey, Enrique Maroto, Moses Herring, Clinton Tiny Forge, Hank Baby Presswood, Mack The Knife Pride, Gil Black, Ron Smith, Al Burrows, Wilmer Reid, Joe Elliott, Eddie Banks, Theodore Franklin, Charles Wells, Hal Jones, Arthur Simmons, William Baba Richardson, Roland Tooson, Gerald Caston, Eddie Hancock, Charles Coot Willis, Ron Teasley, Pedro Sierra, Harold Buster Hair, Clark Hardwick, Earnest Oink Harris, Robert Holivay, Levi Washington, Ernest Big Dog Fann, Grady Lowe, Al Barks, Henry Hill, Hank Pistol Mason, Carl Long, A.J. Jackson, Jaycee Casselbury, Charles Whip Davis, David Pearson, Ferdinand Chico Rutledge, Gerald Sazon, Luther Luke Atkinson, Walter Stoves, Eugene Goon Golden, Bob Mitchell, Ernie Schoolboy Johnson, Eugene Scruggs, Sam Hartsfield, Waymon Armstead, Lou Clarizio, Clifford Quack Brown, Porter Reed, Willaim Hayden, Eloyd Robinson, Roberto Herrera, Ezell King, Willaim Lefty Bell, Ray Boo Boy Knox, Carlton Brooks, Oscar Walker, James Beady Bland, and Floyd Humphrey.

The autographed baseball comes with a 100% money back guarantee as to its authenticity.