There was a Rasch family in the gun business from 1630 until 1944 when the RAF bombed Brunswick and destroyed their place of business.
The company was incorporated as G.L. Rasch in 1829. So take a real close look at that name on the lock and see if it is not G.L. instead of R.L.
https://www.germanhuntingguns.com/fe...arrys-article/