Vintage "1980's does 1950's" off-the-shoulder prom dress

This GORGEOUS piece from the 1980's is in perfect vintage condition. This dress has a gorgeous 1950's silhouette with a fully boned structured bodice and a skirt has a built-in crinoline. There are pearls and beads on the neckline. Unique piece! Size: none listed, but fits XS - S. Tight at the waist, loose at the hips and in the bust.