Set of 2 Nicolle whale tail workshop chairs

"nicolle" workshop chair, 1950. Model called "whale tail" by the shape of the backrest, entirely in steel, in its original condition, gray paint and original felt pad rotating seat and adjustable in height between 47 and 60cm. One chair has been re-welded (see photos) fixed steel backrest. Riveted footrest depth: 50 cm. Width: 40 cm, dimensions height 80 cm.