Warhol's Marilyn portrait sells for $279m

The 1964 painting Shot Sage Blue Marilyn by Andy Warhol
Shot Sage Blue Marilyn is built on a promotional photo of Monroe from the 1953 film Niagara. -AP

Pop artist Andy Warhol's famed 1964 silk-screen portrait of Marilyn Monroe has sold for $US195 million ($A279 million), a record for a work by an American artist sold at auction.

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