Koons’ artworks are considered subversive and controversial, especially since they're created not by him, however by his large workers, raising questions about authenticity and authorship. In 2019, the sculpture became the costliest paintings offered by a living artist at an auction. Mark Bradford is a recent artist working primarily with abstraction. He is understood for grid-like, large-scale artworks combining paint with collage, incorporating gadgets of his daily life such as remnants of discovered posters or enterprise playing cards. In his work, Bradford explores social…