Mother of bride? Jackie O inspired brocade empire style gown bow/train

Description

Vintage from the 60's Green floral brocade ! Jackie O inspired empire style gown! Square cut back and flat bow with train to floor.  The fabric is moss/baby blue brocade.  Size 4-6 (34 cup size)- weight 120 lbs- dress from shoulder strap to floor measures 51 inches.
Gown has a very high bodice- Neckline is open and wide-with shoulder straps. Back is low, and square to waist. Skirt of gown is ankle length, and A line in shape. The back of gown is striking as the flat bow yields a pleated train to the bottom of dress.  This gown was made for a "mother of the groom"- unique, simple, stunning.  The entire gown is fully lined in yellow satin acetate.
MEASUREMENTS
Taken from seam to seam while the garment is lying flat.
Double the armpit, waist, and hips
For reference, model is 5’2” and measures 34-27-34.  120 lbs
Length from Top: 51”
Armpit to Armpit: 16“
Shoulder to Shoulder: 13.5“
Sleeveless