20th century modern long pile rug. 146 x 71 cm = 57 x 28 in. Shag/long pile/high pile/rya technique, wool. Abstract op art pattern, bright color palette. Manufactured by Desso, Netherlands; 3rd quarter of 20th century. This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution