Solid gold Darth Vader helmet only costs $1.4 million - CNET

More like Darth Bling. A gaudy gold version of Darth Vader's headgear goes on sale in Japan, but it will put you back a lot of credits.

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https://www.cnet.com/news/gold-darth-vader-mask-star-wars-tanaka-kikinzoku-group/#ftag=CAD590a51e