The question for hallmarks

British Silver Reading Silver Hallmarks
1

Hello.
Help to find out what year the mark on the plug and who the manufacturer . Thank you very much in advance.
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2

Not a hallmark as this is an electroplate mark of Philip Ashberry & Sons of Sheffield.

3

Thank you very much for your help. And what is the year ?

4

Electroplate cannot be easily dated, but it is probably early 20th century.