Vintage Oscar de la Renta Skirt Size 6 Missing Tag

Black, Brown, and cream color blocked, vintage skirt was part of an outfit I sent to The Real Real but they only took and sold the crop top and sent me back the skirt. Pictures included of crop top. Skirt is vintage, back zipper works, but the back fastener above the zipper needs to be fixed (easy fix). Fully lined Fabric feels and looks like linen, but I'm not certain. Size 6, but it doesn't fit today's size 6 - it's much smaller than a modern size 6. See pics of waist and hip circumference. Excellent condition other than closure. *No Oscar de la Renta Tags on this Skirt! See above* Smoke-free home