From www.nga.gov: Claes Oldenburg and Coosje van Bruggen Typewriter Eraser, Scale X, 1999Advertisement National Gallery of Art, Washington Gift of The Morris and Gwendolyn Cafritz Foundation
From www.nga.gov: Claes Oldenburg and Coosje van Bruggen Typewriter Eraser, Scale X, 1999 National Gallery of Art, Washington Gift of The Morris and Gwendolyn Cafritz Foundation Artwork - Sculpture Links: www.nga.gov By: AlbinoFlea