Vintage geometric black and pink bead necklace-17 inch+ 2 inch extension

Funky , Vintage plastic/acrylic black (rectangle/parallelogram type and uniform round shape) and pink (ring shaped )bead necklace- In very good preowned condition. Unfortunately I have no info on this !!seems legitimately 1980s- or before- (solid beads with some substance ). Clasp is in good working condition. Bead portion of necklace = 17 inches with a 2 inch extension chain in silver tone Cool piece 😎😎✌️❄️