National Fireproofing Corp NATCO Dri-Speedwall Tile Salesman Sample
Updated August 8, 2026
This auction ended on August 19, 2026.
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| Lot number | 0231 |
| Estimate | $25 - $50 |
| Opening bid | $25 |
| Auction | Advertising Black Americana Knives |
| Date | August 19, 2026 at 2:00 PM EDT |
| Auction house | Bastute Auctions |
| Location | Winnetka, Illinois |
The design employs interior V channels which allow water that seeps into the brick to drain out, hence the label image of water being poured on a brick wall and draining out the end. The tiles were

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