Pair of Italian chairs designed by Giancarlo Piretti for Castelli, 1960s

Pair of Italian upholstered stackable chairs designed by Giancarlo Piretti for Castelli. Made in 1960´s.  The frame-polished aluminium. Original upholstery is in very good Vintage condition. Price is for the pair. Height: 77 cm width: 55 cm depth: 47 cm