Just a dumb marketing name like Nordic Gold etc. that we should have gotten rid of in the catalog ages ago.
We can keep these terms in the details box but I still think we shouldn't have them in the material list.
In English it is called "Nickel Silver", not sure if it is an "American English only" thing. But it many languages it is called "Neusilber", "German silver", "Alpacca" or their derivatives.
Anyways, it has lots of names, but in the end, it is an alloy of nickel, copper & zinc in proportions that may vary.