Anthropologie Layered Necklace

Super cute, retro vibe but updated funky look. Bought at Anthropologie. There are different sizes of white 60s-looking beads, at the top are metal beads. They have a multicolored treatment on them - I'll try to grab a picture of that later. It almost looks like ageing (it's on purpose, it was that way when I bought new in store.) - Update: added fourth photo. That's green thread around both (metal and white) beads. I haven’t seen any