Set of 3 Friso Kramer chairs for Ahrend by Cirkel Result 60s 70s

Set of 3 Friso Kramer chairs for Ahrend de Cirkel Result Netherlands 60s 70s Designer: Kramer Friso, original gray curved metal base, seat and back in light beech plywood, on some chairs the color of the base is more oxidized in some places and other chairs less, the veneer of some chairs has traces of scratches on the surface and others less visible, overall the 3 chairs are in good condition consistent with age and use seat height 46 cm