The world’s largest gold coin, a Maple Leaf, sold for 3.27 million euros ($4.02 million) at the Dorotheum auction house on Friday in Vienna.

The coin – measuring 53 centimetres in diameter and weighing 100 kilograms – was bought by Spanish precious metals firm Oro Direct.

The Maple Leaf coin, which is listed in the Guinness Book of World Records and carries a face value of one million Canadian dollars, was minted in 2007.

A sculpted stone head by artist Amedeo Modigliani sold at Christie’s in Paris on Monday for euro 43.2 million, breaking the record for a work by the Italian artist.

The sculpture dated from between 1910 and 1912 and had been estimated at between four and six million euros.

“It’s a record for a work by the artist in any category”, including paintings and sculptures, said Christie’s, which organised the sale.

A plot of land in one of Hong Kong‘s most sought-after areas sold for a record 1.82 billion Hong Kong dollars ($233 million USD) at auction Tuesday.

The 4,956-square-metre plot fetched 17 per cent more than the reserve price.

The winning bid was made by Henderson Land Development Company vice-chairman Martin Lee.

The price was above market expectations and a record high for a Hong Kong auction of luxury residential land, according to auctioneers Jones Lang LaSalle.

A 1932 Pablo Picasso painting of his mistress has sold for $106.5 million, a world record price for any work of art at auction.

“Nude, Green Leaves and Bust,” which had a pre-sale estimate of between $70 million and $90 million, was sold at Christie’s auction house on Tuesday evening to an unidentified telephone bidder.

The Spanish master’s painting eclipses the record set in February, when Alberto Giacometti’s “Walking Man I” sculpture sold in London for 104.3 million.

An outsize luxury apartment in one of Hong Kong’s wealthiest neighbourhoods has sold for 439 million Hong Kong dollars ($56,5 million).

The five-bedroom duplex suite, near the top of the skyscraper overlooking Victoria Harbor, measures 6,158 sq feet and has a garden of 340 sq feet.

Hong Kong luxury home prices and sales have jumped this year as low supply and ample liquidity drive demand for real estate.

A Rembrandt masterpiece is expected to fetch up to £25 million ($41 million) when it goes under the hammer at Christie’s on December 8, 2009.

The painting could break the record price for a Rembrandt, which currently stands at £19,800,000 paid for Portrait Of A Lady Aged 62, in December 2003.

The painting, titled “Portrait of a man, half-length, with his arms akimbo,” was painted in 1658 and has been unseen in public for nearly 40 years.