Vintage 50s Metallic Gold Cocktail Sheath Dress

Vintage gold metallic midi length sheath dress circa 1950s/early 60s. Fully lined, back zip with hook and eye closure. Darted bust, seaming at natural waist, soft pleats below waist. No material or size tag. Measures 18" armpit to armpit, 13.5" across waist, 39" long. Best for size 4ish (S). One flaw to note: there are some discolorations near the bottom of the dress as shown in the last pic. Retro vintage mad men cocktail winter party event dress