Nice and rather rare chairs by Florence Knoll. First owner and bought from Knoll in the 1960s. Both chairs were upholstered in the 1990s and reupholstered with a gray velor fabric. The upholstery fabric is undamaged with slight signs of wear. The black painted metal frames show some paint defects. Both chairs are stable, complete and ready for immediate use. I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources and take full responsibility for any authenticity issues arising from misattribution