Vintage office chair by Philippus Potter for Ahrend de Cirkel

Set of six vintage mid-century design chairs in ochre yellow with poly shell and metal frame by Philippus Potter for Ahrend de Cirkel, 1960s. The chairs (a total of 36 still available) are in good condition and have minor signs of use befitting their age. The dimensions are as follows:

Width: 60 cm (incl. armrests)
Seat width: 43 cm
Backrest height: 84 cm
Seat height: 47 cm
Depth: 50 cm