Office chair around 1980 called "vertebra" Italian design by giancarlo piretti and emilio ambasz p

Office armchair around 1980 called "vertebra" italian design of giancarlo piretti and emilio ambasz for castelli in black leather and in good condition of use and aesthetics as well as operation. Dimensions 58 cm by 60 cm deep and seat height adjustable from 47 cm to 61 cm and backrest from 78 cm to 92 cm.