Owl coin adjustable ring on sterling silver oxidized and gold-filled Athena's owl Greek mythology museum replicas ancient Greece heritage. An adjustable ring designed by Rafael Santarosa based on the ancient symbol of goddess Athena and therefore her devoted town of Athens. In the middle of a gold filled sterling silver nest a greek coin on oxidized sterling silver. The whole shape follows the irregular shape of the "Tetradrachmon" Greek Athenian coin.