Stories Climate activist smears pink paint on Tom Thomson canvas at National Gallery of Canada Posted on August 29, 2023 by artNews A man was arrested following the action, which was organised by the Canadian activist group On2Ottawa Fresh ‘Avocado Salad’ painting by Wayne Thiebaud could fetch $1.8m at Hindman N.C. Wyeth painting purchased at a thrift shop for $4 could sell for $250,000 at auction
