Vintage 70s Christian Dior Dress Long Sleeved Black Silk

Long sleeved beauty with a shallow, shawl collar that ends as sash tie to create a pussy cat bow at the center chest. Pulls on overhead, it closes with buttons down the center of the torso and there are slit pockets at each hip (rare for a dress like this!). The rest of the silhouette is cut straight down the center of the body but has some stretch. Unlined. 
Silk has a subtle black on black checked pattern. 

Label: Christian Dior. Miss Dior. Paris. Made in France
Size tag: none/ fits like a small/ see exact measurements below to ensure fit.
Fabric: no tag. Looks and feels like a silk blended with either elastic or nylon since it has some stretch. 

Condition: very good / presents as unworn

Shoulders 15"
Sleeves 22"
Chest 36"
Waist 32"
Hips 34"
Length 43"