Carborundum No. 92 Duo-Stone Sharpener

Updated September 16, 2026

Lot number	14
Auction	Topeka Storage Unit Treasure Hunt
Date	September 24, 2026 at 7:00 PM CDT
Auction house	Everything Auction Exchange LLC
Location	Shawnee, Kansas

Carborundum No. 92 Duo-Stone Sharpener featuring a dual-sided sharpening stone in a metal case with screw adjustments. Used for sharpening knives and tools. Original branded lid is present and marked with patent information.

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