The Bangkok Arts and Culture Centre is right at the heart of the city. It can be reached easily by skytrain (National Stadium station). An exhibit was on when I visited the center last year.
A craftsman working

Some of the antique gold ornaments on display
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J Bar, thanks
Ewok, yep the gold value
P.S. The name of the actor is William Fichtner, starred in movies: M/M Smith, Armageddon, Dark Knight, etc...
Ate Ebie, thanks for telling me I don't have to kill myself lol!... Those titles are still eye-catching though. It must have been interesting to spot someone involved in major stuff.