AMBIANIC presents Abstract Modern Cubist Oil on Canvas artist signed C Martin Tschaen 1988 39.5 x 39.5 x 1 d Colors of orange, green and yellow geometric shapes. In the style of French artist Armand Rottenberg Signed on reverse. Difficult to read signature. Unframed. Original art vintage unrestored preowned condition. Refer to images. LA delivery and shipping available.