Model 54 armchairs designed by Gae Aulenti and produced by Knoll International. All-black models with a metal frame and upholstered seat and backrest covered in leather. Condition: Very good overall condition. Stable frame with minor signs of wear. Leather well-preserved with a consistent patina. This piece has an attribution mark, I am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution