I have been unable to find this marking anywhere.
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
I see nz in your user name. Are you another Kiwi?
Aside from that, if you can give as much background information that you are aware of, regarding the item, the more likely someone here will be able to help you.
You say it's part of a collection - do you mean a set of cutlery? If so, how about a photo of the set. If so, is every piece marked the same?
What is the likely origin of the item?
What metal do you think it is?