Not sure what you find different about the "finish",it's like the majority of filigree which has been posted here on forum... flooded with solder.
This might help you...... https://www.antiquers.com/threads/posting-a-thread-and-uploading-pictures.15990/
Photos too small to read the printing.You can go back and edit then click full image all.
That's because it's illegal to mark precious metal objects without a adding a registered trademark to the piece.
The shape is more Viking than NA.
Size?
At one time jewelry sized nuggets were sold for premium prices,usually 30-40% above spot value.
In college most of us used sterling or Merlin's gold,but there were the "privileged" who used gold and drove expensive cars provided by their parents.
Looks like a failed student project.
Anyone could have made in the last 50+ years,it's easy. [ATTACH]
Some of them were made of iron,check it with a magnet.
It's still too out of focus to help you with anything.
Not a quality piece,enough porosity it looks like a sponge.
He said this one was engraved about 20 years ago,he does have a Facebook page with other engravings.
No question,he has been posting some of his engravings on an engraving forum. Thought people might be interested in a type of art I have not seen...
Modern Tara Design Penannular Brooch..... https://www.harpanddragon.com/penjew.htm
This is a hammer and chisel engraving by Aldo Venturini,20X25 cm. [ATTACH]
Were you the "grunt"?
Before the "war" there was an estimated 1.4 million Christians in Iraq,guess it could have been from Iraq....
Here is a simplified chart of relative hardness..... https://www.gemselect.com/english/gem-info/gem-hardness-info.php
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