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Sharpening Stone - Whetstone - Large Size, Knife and Tools Sharpener - Fine Grade Marble Polishing Stone - Natural Stone - Long Lasting : Amazon.co.uk: Home & Kitchen
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![Vintage circa 1930s and 1940s razor blade or knife sharpener with glass marbles for Sale - Celebrity Cars Blog Vintage circa 1930s and 1940s razor blade or knife sharpener with glass marbles for Sale - Celebrity Cars Blog](http://www.celebritycarsblog.com/store/img-large/g/W8kAAOSwD01glBhI/s-l1600/Vintage-circa-1930s-and-1940s-razor-blade-or-knife.jpg)
Vintage circa 1930s and 1940s razor blade or knife sharpener with glass marbles for Sale - Celebrity Cars Blog
![Found at my grandmother's. We think it's used for sharpening knives or razors. Any ideas? : r/whatisthisthing Found at my grandmother's. We think it's used for sharpening knives or razors. Any ideas? : r/whatisthisthing](https://external-preview.redd.it/EOsvdHZmMRb4jBBqKH0HL0VHX48AKBR7d3VlUxOuitw.jpg?auto=webp&s=a605058bc65032a2d315ad9f3fd0ed9878c28182)
Found at my grandmother's. We think it's used for sharpening knives or razors. Any ideas? : r/whatisthisthing
![This is a steel wire frame with two glass marbles. It was found in an old garage among various stuff. The marbles can turn inside the frame. : r/whatisthisthing This is a steel wire frame with two glass marbles. It was found in an old garage among various stuff. The marbles can turn inside the frame. : r/whatisthisthing](https://preview.redd.it/uhwes03jin191.jpg?auto=webp&s=c837280339a8e0a3b29d56dd52f184d4790ee6e1)