Someone asked for another picture of this insulator along side a CD 154 so they could see the differences. As you can see, it is clearly a CD 153 and not a CD 154. Don't miss out on this rare one! Quite a few have been interested. I am asking $300 and that includes shipping anywhere in the USA. The purple CD 154 is not for sale. Thanks! I have lowered my price on this item to $275 and that still includes shipping to anywhere in the USA. Thanks!