Vintage tube chairs

Set of four vintage chair with some traces of wear but nothing nasty. It lacks protection on a chair. It is visible in the photos. Two have a higher and wider folder. Large backrest height: 45cm. Large backrest width: 37cm. Large seat depth: 35cm. Large seat width: 38cm. Total chair height 86cm. Small backrest height: 19cm. Small backrest width: 36cm. Small seat depth: 36cm. Small seat width: 38cm. Total height of the chair 79cm.