Signed Autograph Original Album Killer signed by. Comes with JSA COA #CB07678. 100% of proceeds to benefit the David Z Foundation. We’re a 501(c)(3) non-profit founded by Paulie Z in memory of his brother, David Z, focused on making music education accessible, especially for underprivileged kids. Our workshops cover a wide range of music-related topics, supporting emotional and mental well-being through music.