Evening gown and sash in grey-silver silk taffeta. A: Full-length evening gown in pencil silhouette with floor-length train; boned bodice fitted to natural waist; sweetheart neckline, open square back, folded over at neckline; sleeveless with straps; skirt gathered into full train at back waist and hip; center back snap, hook-and-eye and self button closure; white silk taffeta lining; train hem stiffened with horsehair. B: 1-inch wide sash, ties into center back bow at natural waist. Attributed to Cristobal Balenciaga.