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Comparatively speaking these are a rather soft steel, you are going to probably need to use some tape to get the bevel under control... Other than that "Go Slow"
My goto hones on these are a 1-4-8...

It probably does say Warranted which meant they basically had permission to make razors :)

There are tons of different names that went with it...

It looks to be in the 1800-1820 time period...