This is a gorgeous vintage 1940s or 50s cocktail or evening dress by Herschelle of San Francisco.  The base material is a silky black rayon. the bodice has little panels of dainty fringe with pale gold stitching.  Snaps at the bodice and front metal zipper.  Very nice.

Small.  bust 33 inches, waist 24 inches, hips 50+ inches.  47 inches.  shoulder to waist about 17 inches. 

please contact me if you have questions.