![Ring stamp meaning? The inside is stamped with a diamond shape and the letters "STR" (2nd image). I assume STR means this is a sterling silver ring, but am curious what the Ring stamp meaning? The inside is stamped with a diamond shape and the letters "STR" (2nd image). I assume STR means this is a sterling silver ring, but am curious what the](https://i.redd.it/3dhwiy7kz9y71.jpg)
Ring stamp meaning? The inside is stamped with a diamond shape and the letters "STR" (2nd image). I assume STR means this is a sterling silver ring, but am curious what the
![What Do the Marks Stamped Inside Your Ring Mean | Vintage jewelry ideas, Ebay jewelry, Jewelry booth What Do the Marks Stamped Inside Your Ring Mean | Vintage jewelry ideas, Ebay jewelry, Jewelry booth](https://i.pinimg.com/originals/22/11/58/2211583d089e40e3806391122e1620c6.png)
What Do the Marks Stamped Inside Your Ring Mean | Vintage jewelry ideas, Ebay jewelry, Jewelry booth
![What can you tell me about this ring I won in an auction from the markings? I have no clue : r/jewelry What can you tell me about this ring I won in an auction from the markings? I have no clue : r/jewelry](https://preview.redd.it/what-can-you-tell-me-about-this-ring-i-won-in-an-auction-v0-0qiyi3w2cycb1.jpg?width=640&crop=smart&auto=webp&s=1d8c494cab7ee4eb7c1b20aab5cf46300a02ea21)