Dear Mr. Patel, I would be much oblige if would kindly answered the follow Qs for me. What are lp, nm, de, mirror mp etc? Will you please explain it to for me? Are they really that costly? Of course I know what is rp, x ray sunglasses, eic bottle,eic stamp,elephant tumor etc. In fact 5 days ago I test 1 eic copper stamp. It tested positive, but the middleman run away with the stamp. Waiting for your reply. Thank you. Tommy