This vintage glass telegraph insulator is a wonderful addition to any collection of collectibles. It has been manufactured in the United States and is an authentic piece of history. This insulator is perfect for those who appreciate the beauty and value of antique items. The intricate details of this telegraph insulator make it a must-have for collectors. It is made of high-quality glass and has a unique design that is sure to impress. This item is perfect for display or as a conversation starter. Add this vintage glass telegraph insulator to your collection today!