Spoon hallmark help

Hello we found a spoon in the garden an are having trouble with the hallmark. The pics arnt that clear it reads:
CS in a diamond
and J.G.G. ? S
The ? is a picture possibly a rose?[/img]

Sorry Ii cant puta better pic on because there are too many pixels the patterns are like leafs/trees
Spoonagain.jpg
spppooooonnn2.jpg

J G Graves of Sheffield - an electroplate mark. See here.

Thank you :smiley:

Can you tell me anything about the pattern ?
pattern3.jpg
pattern (2).jpg