Glass Insulator -cd 162 Dark Cobalt Blue Hemingray No..19 grade A-. Stunning color out of the Kanas City Area Signal system. This signal is a darker shade of cobalt than most it glows and it’s really amazing insulator . Around in the back skirt there s tiny flake  covers 3 drip points looks like trouble inside no no it’s a air bubble  only ,4 damaged drip points.  No reserve I’ll take offers starting bid .99 I pay shipping