A previous hammer thread.... https://www.antiquers.com/threads/need-help-with-markings-on-japanese-taisho-period-silver-daikoku-fortune-hammer.61250/
Looks like a treble clef symbol.
Most natural gold nuggets are usually between 85 percent and 95 percent gold.
It depends on where you live,see list. https://www.aaps-journal.org/fossil-ivory-legislation.html
Jasper
People can do at at home,see link. https://www.google.com/search?client=firefox-b-1-d&q=how+to+tin+copper+pots
Size and what type of metal?
Looks like all of the bezels have problems,the piece is a hundred years old and the quality was no where close to a Tiffany piece. I looked at 12...
I am more familiar with Luckenbooths,but I have made a couple Norwegian Solje reproductions from this photo we found in a Norwegian town in Texas....
I think the mark was identified in another thread in the last 7-10 days.
It's a marriage... Luckenbooth brooch with filigree added at some stage.
What difference would the name make at this point? It is a "Frankenstein" piece made from 2 brooches/pendants wired together by a hobbyist.
Separate names with a comma.