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Probably a trademark infringement!

There is also a similiar plate from French Cutlers from Thiers, struck on zinc but it only goes back to 1810.
160415

FYI the marks on the copper plate are from 1698 to 1899.

My take on this razor is that its French probably late 18th century by the blade design. Finding a maker for this type of mark is very difficult without a name attach to it.

Most of the records of...