70s Silky Purple Dress Disco Queen Sz 16 - 18

There's no tags on this item, I estimated the size number based on measurements & Lane Bryant's size chart. I think the material is polyester. There's a semi sheer filmy white lining in the bust, pictured in close up. When photographing, I noticed there's a few hand repaired stitches inside the back collar-- they seem functional! Bust 46.5" Waist: unstretched about 30," stretches to 46" Length 44," Sleeve length about 16" [s5]