Mystery Maker Modernist Sterling ?? Silver Plated ?? Cutlery Please Help !!

Hi Everybody ,

I have this cutlery set - the carving knife of which is show . It appears to be silver plated or sterling and the makers
stamp on it has so far managed to elude my identification attempts. It looks like a B T?? M in an oval . If you have any
information regarding this maker that would be greatly appreciated .
Thank you for your time .