PD on a ring generally represents palladium. Your ring could be palladium-plated if it has PD published in excess of it. HK is a trademark that stands for Harriet Kelsall. They style and design and provide jewelry all over the British isles and also to other locations likewise.  Simply by https://casper77menangberapapunka46790.actoblog.com/37827760/jp88-fundamentals-explained