2.5 oz Silver Platter(hand-crafted) - What is it?

British Silver What is it?
1

Does anyone know what kind of silver hallmark this is, who made it, age, etc?
Screen shot 2012-03-05 at 14.26.15.png
Screen shot 2012-03-05 at 14.24.15.png

2

From what I can make out of the marks and the bit of engraving in the picture, this seems to be an Egyptian mark. Either Cairo or Alexandria.

Hope this helps,

Paul.