Hello my name is mikey k. I recently inherited several pearl necklaces .I'm pretty sure two are plastic. But the one I would like to ask the forum about is a set . Two pearl earings with silver posts and a 20in. 84 pearl count necklace the silver clasp on the necklace has the Mikimoto logo stamped on it .the problem. Is I don't have any papers or the box it came in. Can anyone help me with some advice please.