Gold & black 70s vintage gown M

Gold and black vintage 70s evening gown. Top is woven like a sweater with gold metallic thread, with long dolman sleeve and cute foldover neck line. Belt section is a gold cording woven with sequins. Skirt section is flat black with stiff fabric lining to keep it smooth. Hole in armpit area, 3rd photo. Zips up back with hook-and-eye. No size tag, fits like Medium, see measurements. Measurements laying flat: Waist: 13” Bust: about 14” with darts Hips: 20” Skirt length: 40” Total length: 54.5”