Vintage purple mod dress

vintage, 60s/70s, purple and black sleeveless dress; the black has a bit of metallic in it for shine! in good condition but there is some discolouration to the lining that is around the underarms and bust as shown size medium bust 36" waist 30" hips 38" length 36" only partially lined around the neckline and underarms does up with a zipper down the back no fabric label but it a polyester, metallic mix