Pair of 70s chairs

Pair of vintage swivel chairs from the 70s. Back and seat in black leatherette and chrome-plated metal frame. Beautiful rounded metalwork on the back. Good general condition, some oxidation spots on the chrome, and one of the two chairs has a tear in the leatherette at the back. Stable, heavy and solid. Dimensions: seat height 45, back height 76, seat diameter 41, depth 50, back width 37cm.