Was sold as a silver vintage ring (didn't look like this in the pictures when I bought it ), but it's not silver, and the hallmark is fake. I'm pretty sure the RP stands for repro. Lesson learned laugh

rpring3.jpg (86 KB, 58 downloads)
rpring2.jpg (70.84 KB, 58 downloads)
rpring1.jpg (38.98 KB, 58 downloads)