Set of 2 Mid century Matteo Grassi visitor armchairs black leather Italy 1980sSet of 2 mid century Matteo Grassi visitor armchairs black leather Italy 1980s Black Leather Model Visitor Desk by Mart Stam & Marcel Breuer for Matteo Grassi, 1980s Bauhaus chair designed by Mart Stam for Matteo Grassi in the 1970s. black and chrome original leather seats. Model: MG5 Visitor chair Material: black leather chrome tubular metal black Condition: Very good. Signs of wear related to age and use. Some scratches. chrome excellent. Dimensions