ID Makers Mark for M&B Silver Flask

[DJsPlace]

Can you please tell me if there is a makers mark M&B and who they are. This flask has the faint mark of the anchor of Birmingham, the Lion of 925 Silver and the date leter of g. Through my research I put this to be 1906 but I can't find any maker mark with M&B in an oval. This is my first time doing this. How close did I get?
Any help from you experts will be very much appreciated. You guys are great, Thanks for taking your time to help us. John








[b](click on image to enlarge)[/b