L'Opérateur brun , by otto gustav carlsund , 1926 , abstract , Concretism style , Clock, Wall clock
A piece of artwork with a knife on it.
A piece of artwork is shown. The artwork is composed of various shapes and colors. The background is a light beige color. There are black and white stripes on the bottom and on the top of the artwork. There is a brown square in the middle with a knife on it. The knife has a black handle and a silver blade.