Help with this Hallmark on a silver platter

British Silver Reading Silver Hallmarks
1

I need some help identifying this Hallmark

Website: picasaweb.google.com/srighi/Hal … 4505291490

2

This is not a hallmark. EP means Electro Plated. It is silverplated on most likely brass.
Other mark I dont know.

3

The lettering reads GW&S but I cannot identify this company. As the previous poster says, it is electroplate, not silver.