Foldable garden chairs, in pairs or in sets of 9

Pair of foldable garden armchairs, they are sold in pairs or in sets of 9.
Model of garden armchairs in iron and painted wood, they are in good condition there is just one that has a split backrest bar. 
They are made in Burgundy from the 1950s. 
The pair 700 € or 
The lot of 9 to 3150 €

Dimensions width 42/58.5 cm seat height 45 cm total height 90 cm depth 37/48 cm