4 brutalist rope chairs by Georges Mathieu circa 1960

Suite of 4 brutalist chairs by Georges Mathieu circa 1960, Dimensions: h 90 cm, seat h 43.5 cm, l 45 cm and d 40 cm. Condition: correct to note traces of time straws and ropes damaged in places, different colors, worn wood rubbed and scratched on all in places, a crosspiece glued and pegged on one of the chairs, others also glued in places, one chair has a accident, the chairs shake slightly more or less except one which shakes much more than the others, but does not affect its use, in places see the photos.