Office chair by Robin and Lucienne Day for Castelli, Italy 1970s.

Office chair by Robin and Lucienne Day for Castelli under Hille licence, Italy 1970s. Aluminium cast base equipped with four wheels, black lacquered metal piston allowing three seating positions topped with a cream lacquered metal plate to which a cream plastic shell is attached. Shell covered with a black fabric cover in very good condition. Very good condition with signs of use (backrest). Possible seat heights: 45, 47, 49 cm.