PD on a hoop typically represents palladium. Your ring could be palladium-plated if it's PD published over it. HK is actually a trademark that stands for Harriet Kelsall. They layout and provide jewellery everywhere in the British isles and to other locations too.  Region hallmarks: Some nations around the world have https://spencerrqlmx.oblogation.com/36067031/jp88-fundamentals-explained