Muhammad Ali / Wilt Chamberlain Dual-Signed/Auto 16x20 Photo PSA "9.5" 189635

Offered is a Muhammad Ali and Wilt Chamberlain autographed 16"x20" photograph (PSA "9.5" overall). Black and white 16"x20" photo has been signed "Wilt The Stilt Chamberlain" and "Muhammad Ali" in marker. Ali is graded "9" by PSA with Chamberlain a "10" for "9.5" overall autograph grade. No mentionable wear. Includes full LOA from PSA/DNA: NM.