The Artek L-Leg Birch Bench 153 B was designed in 1945 by Alvar Aalto. Made of solid natural lacquered birch with “L-Leg” design that is mounted directly to the seat. This item is not new. Please see images. The Artek L-Leg Birch Bench153 B is a shorter version to the Artek L-Leg Birch Bench 153 A.