Vintage necklace

Hello I’ve just been online looking at some necklaces and it inspired me to get out a box of my vintage necklaces to see if I could identify anything that I may have missed years ago. Noticed this and think it, looks very interesting but unfortunately I know nothing about it.has parts that look like coral & has some other parts that look like pearls, seems to be a lot going on with this necklace , it’s been in a box for years but with a clean this could look even better I think.