Search:

You're absolutely right. And this fact is confirmed by several sources.
And the JSmith blade really looks like 1870s-1880s. IMO.

But as I see on the picture, it's hollow ground razor.
And tail ... for me is after 1845, but it's only my opinion.:)

It's English razor, without any doubt - V(crown)R stamp.
But who made it, it's very difficult to say.
Many straight razor blades, manufactured after 1820(Michael Faradey discovery) are found to be...