Hi,
It is pretty worn, but if you take the bottom half of the left side of the mark and flip it like a book page, do the same to the right hand side of the right side, you get the German "halbmond & krone", sorry it isn't a maker's mark. Probably 20th cent.
Regards, Tom
![Image](http://aycu34.webshots.com/image/43993/2003619615456837712_rs.jpg)