I have in my collection this tray.
It tested silver but I have no idea what is the purity is.
I have Miller's encyclopedia of silver marks but I was not able to find the similar hand mark as on this tray.
Is anyone can help to identify this item?
The mark:
The tray:
The others seem to describe marks that would differ from the style of yours, but maybe you’d want to read them for your own satisfaction. Use the search function with just those two words.