This is a ring with this marking (pic / url included) any help would be appreciate.
https://picasaweb.google.com/101143215318099291197/DropBox?authkey=Gv1sRgCPmIz8WOwM3psQE&gsessionid=M-mYDXBUdWmC3KwnXnPKNw#5703188230171446194
(admin edit - remember to use the 'Preview' button)