Mario Bellini for Cassina 'Cab' chairs. Model no 414. Stitched black leather. Zips onto a metal frame. In very good condition. Leather, stitching and zips on these chairs are all very good. Seat height 43cm Seat depth 56cm Arm height 60cm 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