16Embrace a touch of nostalgia with this vintage Green Teal Blue Glass Insulator, a marked "B" Electrical Hardware piece that hails from the United States. Its rich color and classic design make it a standout addition to any collection or restoration project, offering a glimpse into the era's electrical history. Standing at 4 inches tall, this insulator is an authentic representation of bygone craftsmanship. Its unique heritage and vibrant hue are sure to evoke the charm of a bygone era and serve as a talking point for enthusiasts and collectors alike. Add this piece of history to your collection today.