|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||4 days ago||113.36||$73.28||You save $40.08|
|Amazon US||4 days ago||93.21||$73.28||You save $19.93|
Charles Brock is associate curator of American and British paintings at the National Gallery of Art, Washington. Among his publications are Charles Sheeler: Across Media (2006) and American Modernism: The Shein Collection (2010).