Vintage Glass Insulator
Updated September 15, 2026
| Lot number | 85 |
| Auction | Joplin Auction: WWII Hawaii $20, Coins, Antlers & Antiques |
| Date | September 18, 2026 at 5:00 PM CDT |
| Auction house | Echoes of a Dusty Key |
| Location | Joplin, Missouri |
This vintage glass insulator, typically used on telegraph and telephone poles, is made of green-tinted glass. It features embossed text indicating a patent date of May 2, 1893. The insulator is an uncommon collectible with historical significance. Condition: The insulator is in good condition with some signs of wear consistent with age; please review the photos for details. Keywords: vintage, glass, insulator, telegraph, telephone, collectible, antique, green glass, patent date, 1893
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