It could be,but only testing to see if it is quartz or glass would solve the question.
The stone cutters had hundreds of pounds of raw material and could pick from the rough which stones would work for the project........
There are too many questions in the photos,did you think the large riveted "patch" the covers the whole bottom would actually hold a liquid...
There is nothing tricky to cut a bullseye, the layers in the rough stone just need to be parallel to start with.
That's the problem with the photos and the lighting in the photos,if you enlarge the top photo the area below the neck appears to be cast as there...
This one says "antique",but judging from the construction it could have been made 20 years ago in a number of countries.
It has a head,but the handle connecting area has been pulled out past the rivet head.
The handle is just waiting for some weight in order to fall off,it only has one rivet to hold it and the copper is very over work hardened and...
The problem is the piece does not look like it was "raised",the outside and inside surfaces do not support that technique.
Die stamped copper souvenir token,factory made and a little like inserting a copper penny into a rolling machine at various tourist locations.
There are too many things the photos are not showing or the piece was a real mess to start with.The lighting for the photo is too dark,the outside...
It looks like the blade and handle doesn't belong together.
The area between your 2 arrows shows a broken "wire/bale" area where it was soldered to the piece.
The lid would have been tight as there is a soldered rectangle tab on the top inside edge.
The lid fits weird because it's bent and warped,the flange bottom left is for your finger to hold the box down while opening the tight top. The...
The blade may be a military gunto which were factory made and wouldn't have a hamon. The tsuba looks a bit strange as there are no copper blade...
24K will not tarnish,but the other Karat types alloyed with copper will tarnish.
I guess it would depend on which version of Old English fonts was used and the engraver's individual style quirks,there are a number of font...
It doesn't look like a marriage since the mesh is the same on the buckle and belt.A photo of the back of the buckle might help a little.
Could be this one 1919 date............https://www.925-1000.com/Gorham_Date_Code.html
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