Silver Sugar Bowl

Silver Sugar Bowl
Sheffield - 1956 (Not too sure of the maker)
Weighs around 150grams (so around £70-80 scrap?

How much is it worth?
Is it worth much more than scrap value?

I also have a matching design piece, but a milk jug, it looks the same as the sugar bowl, but it has no hallmarks at all, does this mean that it is silver plate? is it worth anything?