Curved wooden chairs design Wilhelm Ritz pou Wilkhahn 60s

Nice duo of vintage chairs design wilhelm ritz for wilkhahn. German design from the 60s. Seat and backrest green fabric. Fine curved wooden structure. Beautiful condition, note that the foam under fabric of one of the seats has moved slightly, without gravity. Dimension of each chair: height 79cm, length 50cm, depth 50cm, seat height 46cm.