All amber officially purchased under the supply agreement on the amber plant in the town called Yantarny in Kaliningrad district, Russia
Therefore the authenticity of amber has no doubts.
Answering your questions explain - it does not sink in salt water or if you rub a little heat then of course it smells like pine needles, also it have blue color in UV light. Regarding manufacturers - that each bead in a items made of several pieces of amber, which were Prerequisites manually peeled from dark skin, and then pressed under high temperature of 190 degrees and a high pressure, without the addition of colorants, artificial resins, glue and other chemicals. So I can you say with certainty that the production was founded by myself, and I give you a 100% guarantee that me items is made of 100% natural Baltic amber.