PD on a ring typically signifies palladium. Your ring could possibly be palladium-plated if it has PD penned in excess of it. HK is actually a trademark that stands for Harriet Kelsall. They style and design and supply jewellery all around the UK also to other areas as well.  By https://connerkvfnv.creacionblog.com/36812185/a-simple-key-for-jp88-unveiled