Vintage 80s Le Building abstract black brown midi skirt made in France buttons

A very particular 80s vintage skirt in embossed viscose fabric and black abstract designs on a light brown background.
It is made up of a double layer of fabric.
Six small black buttons on the front.
Made in France by Le building.
The measurements are: waist 33 to 41 cm (there is an elastic band at the back), length cm 90, hips max cm 57.
In excellent condition.
Sterilized and washed.