Vintage 70s Halter Maxi Dress Sur Brett

In great condition. Brand is Sue Brett. No fabric or size label. Fabric feels like it is most likely polyester. Has a Native American inspired print towards bottom of skirt. Measurements seem to best fit a modern day Extra Small or Small, but please see measurements to ensure fit. Small white mark under arm. Approximate measurements: Bust: 16” Actual waist (taken about 3.5” below empire waist): 16” Empire waist: 14.25” Length: 56.5”