Signed photograph of the masterful pianist, shown in a reflective pose at the keyboard. He has signed and inscribed diagonally at the upper right: "To Mr. Harry L. Aiken with best wishes / Claudio Arrau / Cleveland 1944." Stamped on the verso by management company National Concert & Artists Corporation. Some soiling to the lower edge; otherwise fine overall. 8 x 10 inches (20.7 x 25.4 cm).