Vintage Valentino skirt

Vintage Valentino a-line skirt ; midi; it is size 12, but feels like 8; tags were cut, so I can only use my judgment - it looks like first 3 layers of the skirt are silk and top layer is nylon with beading ; side zipper; first layer of the skirt is black ; then next 2 layers black and white; top layer is beaded black nylon ; side vents . Used . It was purchased from second hand store; please ask for measurements before buying