Canadian-born American impressionist painter. Fountain pen signature, 'Maurice B. Prendergast, 50 South Washington Square, Manhatten,' on an off-white 6.75 x 2.25 clipped slip, dated May 2, 1916. Slip is affixed to a slightly larger slip. In fine condition, with a bit of light show through from text on reverse. RRAuction COA.