Vtg 60s Gold sleeveless mini dress with topper

Vintage Neiman Marcus ILGWU Union made 1960s dress. Gold fabric with gold embroidered floral print. Spaghetti strap mini dress plus a sleeveless topper with asymmetrical diagonal button fly. Gold beaded bauble buttons. Well made, in excellent condition, no flaws. No size tag, but it's pretty tiny. Measurements: pit to pit 15.5", waist 23" around, length from shoulder 34.5".