FRANZ SWATY Razor Sharpening Stone Marburg, Austria

This is a great sharpening stone. It looks as if it was never used or used very little. It is a little over 5" long and 2" wide. It is marked Franz Swaty, Marburg, Austria. T is a small chip on the upper back side, please see photo. Please ask any questions before bidding. Thanks for looking, be sure to check out my other auctions!!!!!!