Vintage Black silk floor length formal dress with cowl cut on back

Vintage black silk floor length evening dress. Collar bone neckline. Back has a cowl scoop. Straight fit. 4th photo is of left side zipper, it works fully but the mannequin was too big to zip all the way. 5th photo is of underarm on right side, slight tear but can be mended. Small marking on left skirt side, but dry clean will remove. Waist 16” flat Armpit to armpit 17” flat Shoulder seam to waist 12” Waist to floor 45”