Nightie / Performance Costume

Nightie / Performance Costume When i bought this second hand i thought it was a ladies night gown On the tag it says performance Costume On tag it says AM I google searched this and it mean Adult Medium The mannequin fits a size small / medium This material is a stretch kind no tag to say There is a silver and gold color thread throughout for design name brand is Design works About 5” Fringes on the bottom Adjustable straps on the shoulders Bucket # 18