PD on a ring normally represents palladium. Your ring can be palladium-plated if it's got PD penned more than it. HK is actually a trademark that means Harriet Kelsall. They style and design and supply jewellery all over the United kingdom and also to other sites as well.  Place hallmarks: Some https://raymondrdpzl.blogrelation.com/43389922/detailed-notes-on-jp88