![Amazon.com: Custom Metal Ring Stamp | Bent Shank Hallmark Stamps | Ring Metal Stamping Kit for Rings | Metal Ring Stamping Kit | Metal Stamp Ring | Swan Neck Stamp | Gooseneck Amazon.com: Custom Metal Ring Stamp | Bent Shank Hallmark Stamps | Ring Metal Stamping Kit for Rings | Metal Ring Stamping Kit | Metal Stamp Ring | Swan Neck Stamp | Gooseneck](https://m.media-amazon.com/images/I/71jcHkCBc5L.jpg)
Amazon.com: Custom Metal Ring Stamp | Bent Shank Hallmark Stamps | Ring Metal Stamping Kit for Rings | Metal Ring Stamping Kit | Metal Stamp Ring | Swan Neck Stamp | Gooseneck
![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
![JEWELRY HALLMARKS - GOLD AND SILVER | Vintage tiffany jewelry, Costume jewelry makers, Antique jewelry JEWELRY HALLMARKS - GOLD AND SILVER | Vintage tiffany jewelry, Costume jewelry makers, Antique jewelry](https://i.pinimg.com/564x/23/a7/c8/23a7c8589479ea002884a951e1a8629f.jpg)