1980's does 1950's Robert Doyle Ruched Bodice Evening Gown with Crinoline

A 1980's does 1950's one shouldered ruched bodice evening gown, the tag inside reads Robert Doyle. The bodice is structured with boning, the skirt has a full black tulle crinoline built in. The neckline has elastic to improve fit, the one shoulder bow has self fabric frayed fringe. The bodice construction including the zipper and pleating looks to be mostly hand stitched. It fits a modern size 4-6 and measures 34" bust, 31" waist, hips free, 56" in length from nape of neck to hem.