Five office swivel wheeled chairs by Osvaldo Borsani for Tecno, made in Italy in 1980s. Stamped on the bottom and marked Tecno on the side, made of red, white and wine color plastic. The base is 5-star metal. Chairs are all original and in good condition. There are some scratches on the plastic due to use but they are in good working order. Designed by Osvaldo Borsani for Tecno in the seventies. Shown with the original fabric. This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution