National Insulator Co Glass Insulator No 2
Updated September 13, 2026
This auction ended on September 22, 2026.
See upcoming auctions from Lakeside Realty & Auction.
| Lot number | 2246 |
| Auction | West Okoboji Estate Auction |
| Date | September 22, 2026 at 6:00 PM CDT |
| Auction house | Lakeside Realty & Auction |
| Location | Spirit Lake, Iowa |
Clear glass electrical insulator marked National Insulator Co. with a ribbed profile and domed top.
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