Andy Warhol, Oxidation, 1977–78. Urine and metallic paint on canvas, six canvases, each 35.6 x 25.4 cm. Collection Norman and Norah Stone San Francisco © The Andy Warhol Foundation for the Visual Arts, Inc., NY, Photo by Phillips_Schwab.jpg
Andy Warhol, Oxidation, 1977–78. Urine and metallic paint on canvas, six canvases, each 35.6 x 25.4 cm. Collection Norman and Norah Stone San Francisco © The Andy Warhol Foundation for the Visual Arts, Inc., NY, Photo by Phillips_Schwab.jpg
