An original vintage circa 1950s ? lined exercise book page, clearly signed in red ink by (16) Harlem musicians ; Greely Walton d1993 (sax) / Walter Johnson d1977 (drummer) / Louis Bacon d1967 (trumpet) / Dicky Wells d1985 (trombone) / Edgar Courance d1969 (sax) / Hilton Jefferson d1968 (sax) / William Allsop d1985 (sax) / Doc Lee /  Leo Taylor / Herbie Cowens d1993 (drums) / Don Donaldson (piano) / Russell Bowles d1991 (trombone) / Frank Powell (trumpet) / Elsemouth Reynolds / Bernard Flood d2000 (trumpet) and Howard Johnson d2021 (sax