Gina Rinehart demands National Gallery of Australia remove her portrait

NGA rebuffs efforts by billionaire to take down painting by award-winning artist Vincent Namatjira

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The mining billionaire Gina Rinehart has demanded the National Gallery of Australia remove her portrait from an exhibition by the award-winning artist Vincent Namatjira.

The image, arguably an unflattering picture of Australia's richest woman, is one of many portraits unveiled at the Canberra gallery as part of the Archibald prize-winning artist's first major survey exhibition.

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