The “833” is probably the purity of the silver, or 83.3% pure. The Dutch used a lot of 833 silver. Can’t help beyond that.
Thank you uncle vic!!!
And who can tell about the stigma and the approximate location of production jewelry??
How about her age??
The ZII mark to the right is a Dutch import mark for .835 fineness, introduced in 1953.
I’m thinking Germany for the makers mark.
But the sample is 833 and not 835! Maybe there are assumptions???