1970's sculptural Italian dining chairs

Stunning set of Italian dining chairs!
 
These four dining chairs are made in Italy but from an unkown manufacturer. They were probably made in the 1970's and are a perfect example of Italian craftmanship and quality! They have a new boucle upholstery! 
 
Measurements: 
Height: 75cm
Seating height: 42cm
Width: 47cm
Depth: 43cm