Tito Agnoli, a "Miss B" swivel chairs, Pierantonio Bonacina, Italy, later part of the 20th century.
Frame of steel tubing, swivel on a central leg with a five-part base, on casters. Seat, armrest, and back of laced leather. Seat height 49, width 62, height 85 cm.
Något wear. The leather on the armrests is partly loose. The plastic on some of the wheels is damaged/missing.