Andy Warhol Abstract Painting on Canvas , Modern Old 20th Century Art. Good condition, no losses, needs stretching. No COA, no supporting papers, (After Artist). Size: 20 x 15 .Good condition. See photo. After definition: For paintings/unique works: The word “after” is used for a work by an unknown creator who has created a copy of a known work of the named artist. (Source: Getty Art & Architecture Thesaurus)