1970s Black Saks Fifth Avenue Midi Dress Ruffled Neckline Spaghetti Strap Small

Vintage 70s dress in black with a ruffled flounce neckline and a hanky hem. It has a high elastic waist & spaghetti straps. Midi length.

Condition: Very good vintage.
Best fits women's: Labelled size 11/12, but runs modern small
Tag: Saks Fifth Avenue
Material: Polyester

MEASUREMENTS
Taken from seam to seam while the garment is lying flat. Double the armpit, waist, and hips.

For reference, model is 5'9" and measures 35-27.5-39.

Length from Top: 47"
Armpit to Armpit: 19"
Waist: 13 to 16"
Hips: 24"
Shoulder to Shoulder: 10"