Tiffany & Co. Somerset ring 6.5

Beautiful and rare Tiffany & Co. Somerset mesh ring. Size 6.5. I bought this for myself over 15 years ago, but unfortunately my arthritis in my hands makes it not fit any longer :( Not sure how to show its authenticity, but you are welcome to return if someone, somehow says it is not authentic! Found my bag! UPDATE: it has been authenticated through Mercari.