A self-portrait of Andy Warhol done a year before the pop artist’s death was yesterday auctioned by Sotheby’s for more than $30m.

'Six Self Portraits' was done in 1986 and features six images of Warhol. Having been valued at between $25 and $35m, in the end it went for $30.1m.

The sale was part of an auction of post-war and contemporary art.

The Warhol work 'Race Riot' was auctioned by Christie’s for $62.89 million on Tuesday, while his 'White Marilyn' work went for $41.1m. 

Warhol's 'Race Riots'

Another of his pieces, entitled 'Silver Car Crash (Double Disaster)', was auctioned in November for more than $105m. 

Another big item to go under the hammer at Sotheby’s was the sculpture 'Popeye' by Jeff Koons. It sold for $28.2m, exceeding its estimated value of $25m.  

'Popeye' by Jeff Koons

The spring auctions of post-war and contemporary art by Christie's and Sotheby's were dominated this year by American Barnett Newman. 

His 'Black Fire I' was acquired on Tuesday for more than $84m, a record for the artist. 

Francis Bacon holds the world record for the most expensive item ever sold at auction. His triptych 'Three Studies of Lucian Freud' sold for $142.4m in New York. 

Francis Bacon's 'Three Studies of Lucian Freud'

Spring art auctions opened last week in New York with Impressionist and Modern works. They will conclude at the end of the month.