First off welcome to SRP. This is the place to learn about Straight Razors. As for your razor, there is a Straight Razor data base in the WIKI Category:Straight Razor Database - Straight Razor Place Wiki
I don't know too much about That manufacturer only that they have been around a long time and that they make great shavers.

JA HENCKELS
Solingen, Germany
at least ca. 1731 - present

This info came from a manufacturers data base on line. Hopefully there will be someone to give you more insight in shortly but I can let you know We work better when we can see pics of the razors in question. Actually we like pictures period.
Straight Razor Manufacturers and Dates of Operation

Use the WIKI here to learn about how to shave with a str8 ask questions and just remember to take your time this is not only a way to shave it's an art to itself. Again welcome and good luck.