Vintage Gossard Artemis 2 piece Blue Satin Gown & Robe Medium 1970’s

Vintage Gossard Artemis 2 piece Blue Satin Gown & Robe Medium 1970’s. Lace trim. High waist with elastic both gown and robe. There are 2 holes at the armpit from the hem and at the very bottom hem - see pics. There are some small white spots on the back of the gown. I’m not sure what it is. I washed it and it did not come out. 100% nylon. Made in the USA. Length on gown is 49”, high waist 15”. Honeymoon wedding satin nostalgic fashion glam