This CD 156.1 is base embossed AM INSULATOR CO PAT SEP 13 1881 Probably a light blue/aqua color. There is a good size swirl of smoke that rises from the skirt well up into the dome. There is a shallow, one half pinky finger nail size, chip just above the wire groove. Oh, did I mention the 2"x 1" dome bubble??? It is fully encased! That sure adds a bit of zing to an already pretty good looking insulator. Asking $90.00 for this fine looking insulator. I accept checks, money orders or PayPal non fee