PD on a hoop commonly signifies palladium. Your ring may be palladium-plated if it has PD composed about it. HK is a trademark that stands for Harriet Kelsall. They style and design and provide jewellery everywhere in the UK and to other locations too.  Can “JP” also stand for another https://casper77-agen-judi-online14578.suomiblog.com/5-essential-elements-for-jp88-52703688