VTG Autumn dress copper with floral cuffs, collar, and belt circa 70s

Thanksgiving dream dress anyone? True vintage - dress made of copper structured material with floral cuffs, collar, and matching waist tie belt circa 1970s Mini length but not too short Unbranded tagged size 13 belt is 2.5" wide and 112" long, could be wrapped at waist twice due to its long length chest 38" waist 30" hip 42" shoulder to hem length 38" waist to hem 21" shoulder to shoulder 16" excellent vintage condition with light wear