PD on a ring generally signifies palladium. Your ring may very well be palladium-plated if it has PD created above it. HK is often a trademark that means Harriet Kelsall. They design and supply jewelry all over the United kingdom and also to other destinations in addition.  Can “JP” also https://rodamas88slotonlineterper77664.bloggosite.com/44296253/fascination-about-jp88