This is a unique shape whetstone. Most of what I have found on the internet about this type of whetstone shows they come from Europe. I read one article where this type of whetstone is used a lot by farmers that still use a scythe in the fields. This type of whetstone was easy to carry to stop and sharpen the scythe. This one shows that it has been used many times. I don't know what the blue color on the one side was for unless it was some kind of logo at one time. This whetstone measures approximately 9" long.
Related Vintage Canoe Shaped Whetstone from Europe, Knife, Scythe, Axe Sharpening Tool
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