WILLEMSEN, Wil, (American, 20th Century): 1) ''De Koonings's Mother'', Acrylic/Paper, sight size 20.5'' x 16.5'', singed lower right, framed 30'' x 29.75'', business card attached verso with title. 2) ''The Family'', Acrylic/Paper, sight size 16'' x 18'', signed lower left, frame, 33.5'' x 29.5'', business card affixed verso, frame 34'' x 30''.