Karel Christiaan Appel (1921 - 2006) Untitled Abstract Color Lithograph Fine hand signed vintage lithograph by karel Appel. From an edition of 160. Dimensions 21" x 23" The frame measures 38" x 31". Very good condition. The frame is included as added support only. Karel Appel was a painter born on April 25, 1921 in Amsterdam, Holland. He studied at the Royal Academy in Amsterdam in 1940-43.