Dark green No 36 Brookfield that is packed full of fizzy bubbles. Glass surface texture is pocked with tiny bubbles and cold folds. Very crude. Best displayed in sunlight or baselighted for best viewing pleasure. Has 3 annealing fissures in the threads inside pinhole from when cooling of which 1 can be seen in the photo, otherwise perfect. When properly lighted, you will love this signal. $49 shipped USA/CANADA, other countries I'll equally assist with shipping. More photos available.