help needed to identify this hallmark

i have a medium sized dish with no date mark but it has a what i think is a duty mark.
and also some engraving under trhe hallmarks any ideas?
thanks mike
ebey 008.jpg

ebey 025.jpg

This is not a British silver hallmark. It appears to be an example of what is called a “pseudo-hallmark” and is probably a Chinese exporter’s mark. The material may well still be sterling silver.