1980's Carrara marble dutch sculpture

What an elegant sculpture! A sculpture made by an unknown artist from the Netherlands! It is a black stone sculpture made in the 70's. It is a beautiful geometric shape, a perfect example of good and quality art from the 70's!
 
It is in good shape and a beautifull wooden colum underneath it. 
 
Measurements sculpture: 
Width: 38cm
Depth: 28cm
Height: 36cm
 
Measurements colum: 
Width: 30cm
Depth: 30cm
Height 80cm
Total height: 116cm