PD on a ring typically represents palladium. Your ring may very well be palladium-plated if it has PD published more than it. HK is often a trademark that stands for Harriet Kelsall. They layout and provide jewelry all around the British isles and also to other locations as well. By https://collinmcrgw.blog2news.com/37674696/the-smart-trick-of-jp88-that-nobody-is-discussing