For holding work on a milling machine or drill press
I'd guess bone Fairly crude Somewhere in southeast asia
The only telling I know of would be the weight Plaster much lighter
Wynograd stuff was a thin sheet of pure silver beaten into a mold. Most are then filled with plaster. Some (very few) were filled with molten...
Women are not into watches Diamonds have no melt value 14K white and yellow have the same amount of gold in them
The marking is inside the case It will be gold Its value will be scrap of the gold
Uncommon Not unheard of
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