Quote Originally Posted by Flying10uk View Post
On the first post, middle picture, it looks like a partial "3" after the letter "M" and this looks like it's been stamped onto the curved edge, perhaps, causing the stamp to slip. Would this be the 3rd Battalion Durham Light Infantry? Didn't most regiments in the Britishicon Army have multiple battalions in WW1?
As its a 1910 Bayonet, so pre war plus if its Durham school as Peter points out then I doubt its a battalion. Would say any school or cadet forces were relieved of there equipment at the start of WW1 so I,m guessing this was the change in marking,

Regarding the DM I,m only going by notes I received many years ago......... very similar to ones below in the 2 links.

http://www.martinihenry.com/units.htm

http://oldmilitarymarkings.com/brit_bayo.html