The item shown is a vintage Avon 925 sterling silver skeleton key wrap ring (also known as "The Secret Key" or bypass ring), originally released around 1976 and often made in Spain. 

Ring Details

• Brand: Avon

• Material: Solid 925 sterling silver

• Design: Ornate skeleton key that wraps around the finger in a bypass style

• Value: Typically sells on the secondhand market (like eBay or Etsy) for about $70 to $100 depending on condition and size