Hello, Mametz, and welcome to GDC.

Many SS daggers, particularly those of the larger makers have more than one style of rune. They were a minor supplier item and there are many styles found. I have never agreed with the idea that any given maker can have just one type.

Here is a contest I did some while ago to ID daggers by their runes. Take a look:

https://forum.germandaggers.com/ubbthreads.php?ubb=showflat&Number=250609#Post250609

Dave