Vintage signed mid-century CORO brooch with a brutalist gold geometric pattern. Measures 2-7/8 inches by 2-7/8 inches, the finish is a combination of brushed lines, brushed circles and shiny gold-tone metal. The clasp on this pin opens and closes securely.Here's a link to our Etsy shop where you can find more vintage treasures:https://www.etsy.com/shop/CaughtMyFancy