Please check out my other quality antique glass auctions currently running!! Lots of steam swirls in there!! RARELY SEEN IN THIS CONDITION and only used in the state of Montana! HUGE deep blue blue aqua CD 304 / 310 HEMINGRAY PATENT MAY 2 1893 "MONTANA COOLIE HAT" glass two piece cabletop power insulator in EXCEPTIONAL condition!! Two light matchead size skirt pecks and three partially flaked drip points are the only flaws!!! IMPRESSIVE 14 LBS!! $ 36.00 UPS shipping. I do COMBINE SHIPPING to save you $$$. I do not sell altered, fake or stained glass.