They got the "ivory" from the same places everyone else in the states did.Rock and Gem shops,large Gem and Mineral shows like "Tucson Gem and...
Tin is not magnetic,maybe you were thinking about tin plated steel?
Is the side seam "dovetailed" like the bottom of the pot? This technique has been used by numerous countries in the past and present.
The shape of the setting looks more oval,are you sure they aren't 3X5mm which is a standard size?
It's called "pitch" and was used to fill many hollow metal pieces as added weight and a stabilizer for thin metals.
All that is needed is a tube that fits the pin stem,a bale and 2 pieces of wire.So simple most goldsmith's wouldn't even think to do it.
Looks a little like my friend's Hmong grandfather smoking something other than tobacco.There seems to dozens of pictures with the same...
The sheath and handle metal looks like tinned steel and the blade doesn't look like anything special.Looks more like a tourist type piece.
Sloppy craftsmanship,they didn't even file and clean up where one of the sprues was cut off after casting.
But they have been extinct since 1924.
Most likely a cheap Chinese import,some are also marked China and most can never be identified to a particular maker. Just one of dozens of...
Besides being smashed with a heavy force causing the outside edge to be forced into the inside of the ring below the Tiffany mark and the whole...
There is a lot of Persian turquoise which looks like the op's pendant,solid color and bright blue without matrix.Probably thousands or pieces with...
With the black in the marks it's hard to tell,but the inside edges of the mark looks rounded and could be cast into the bracelet.
Since the pendant is made with at least 4 pieces of silver it's probably not sand cast.
The sterling in the pendant is full of porosity and the piece looks like it was made at a back street vendor by a 12 year old.
The style can be dated to at least the 18th century.
It's a candle box.
As far as a bronze or copper/brass piece it is impossible to tell without test.Link to article about Japanese alloys....
With the new photos they do look like acid etched and a "poured" sand background accents.
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