This image has been sent to the Calder Foundation for inclusion in the upcoming catalogue raisonné of Calder’s graphic work. Calder produced this image as a massive steel sculpture commissioned for the Security Pacific Corporation in downtown Los Angeles. The sculpture is featured on the cover of the hardbound book "Security Pacific 1970-1985: Selected Works." Details : Alexander Calder, 1974. Painted steel sculpture, 63ft. high. Security Pacific Tower, 333 S. Hope St., Los Angeles, California.