A while ago, my neighbor gave me a box of insulators. There were three different emerald CD 164 McLaughlins in the box. One was the usual, one was a vivid bright green (it might even be 7up), and this one. It is a dark emerald green with a bit of milk, packed full of micro bubbles, and has a nail or some piece of metal right in the wire groove. Usually, these don't have much character other than the color, but this one is amazing.