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Old 24th December 2010, 11:59 AM   #9
PUFF
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Join Date: Feb 2006
Location: 30 miles north of Bangkok, 20 miles south of Ayuthaya, Thailand
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Gold-Copper alloy is called "Naak" (นาก) in Thai.
The composition may varied, higher quality "Naak" may contain up to 60% gold.
I 'm not sure if silver always included.

By tradition, the material used by wealthy peasant class as Gold metal is reserved for royal class and silver is for lord/high rank officer or other similar classes. The tradition was, however, faded out around C19.
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