An Yves Saint Laurent for Christian Dior couture black faille cocktail dress, probably Spring-Summer, 1958, un-labelled, with princess-line bodice and skirt, the skirt sweeping round to the back waist which frame vertically draped flounces centre-back, creating a bustle-like effect, with cross-over closure panel to back bodice, integral tulle corset with suspenders, layered tulle petticoats, bust approx 86cm, 34in, waist 66cm, 26in