From Etsy.Com, The Smiling SilverSmith designs some of the most coolest, sleek sterling silver rings around! Mr. Mustache is one of their newest member but check out their Etsy sight to see loads more.
The ring is about $55 which is not that bad at all, considering the price of silver now a day. This ring will be perfect for "Ms. Panda" because she wears Ray Ban and loves the Mustache app. on the iPhone. You know who you are!