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Sorry, there is not such info.
But all Friedrich Herder family was in Solingen.
Heinrich Herder was in business since 1806(?), registered 9th July 1866, Solingen, Schützenstrasse 26.
Richard...

The razor was made after 1848.
Logo with "Crossed Keys" was registered in 1848.
The oldest is "Schüppen-Ass"(ace of spades), 1727.

Some addition info:
Since 1915 it was F.Herder & Sohn.
Since...

It's a very nice razor, that was made by the oldest of the Solingen firms, with a direct line back to 1623, Friedrich Herder was registered as the producer of all types of tableware and cutlery.The...