Faced with economic uncertainty, turmoil in Hong Kong, Brexit and a shrinking auction market, the art trade has some justifiable anxiety about the coming year

We look back at the biggest art sales of the year, which reveal a concentration on New York over London and a continued dominance of 20th century male artists

One painting was hidden in a Parma cellar, leading to the discovery of the Tanzi Treasure

While her role grows to cover departments such as Old Masters, second global division will include luxury objects and decorative art, jewellery and wine

We look back at the stories that have overturned the art world order this year

Our pick of highlights from the next fortnight's auctions and fairs

December auction generates less than half the total of last year's sale, with several lots failing to sell

Auction raised more than last year but supply still limited as Brexit-dominated general election looms

Te Bourao II, which went to an international collector, was on loan to the Met in New York for ten years

From a miracle scene seized by Nazis to a pensive painting by Joseph Wright of Derby, our pick of highlights from this week's auctions and fairs

The artist William Powell Frith 'almost collapsed' at the honour of being commissioned by the famous writer to paint his heroine Kate Nickleby

Painting depicting the Holy Family in an evening landscape has been owned by a Manhattan family for more than 60 years

Portrait of Dora Maar eclipses other auction offerings at Heffel

Small works won out at Sotheby's and Christie's as top lots went for their low estimates or were withdrawn

Our pick of highlights from the next fortnight's auctions and fairs

Overall sales were down by around 30% but beyond the disappointing headline figures, women and minority artists shone

Sculpture—estimated at £1m—was removed from the street by Andy Link in 2004 but later “liberated” from his East End garden

Andy Link says sculpture for which he demanded £5,000 in ransom was later stolen from him. Banksy’s former dealer says otherwise

We talk to German artist Anselm Kiefer about his new works inspired by String Theory and ask expert Scott Reyburn why the art market is treading water. Produced in association with Bonhams, auctioneers since 1793

Record prices were set for Charles White, Brice Marden, and Wayne Thiebaud, while a Clyfford Still painting prompted a prolonged bidding war

The Grace House Mural becomes the first and only such site-specific work by the artist to be sold at auction

The non-profit art space derives half its annual income from the charity gala which last year raised a record HK$7.8m

Work depicting Roman heroine Lucretia was in a private collection for 40 years

Work acquired by Van Gogh Museum in Amsterdam and the Drents Museum in Assen is one of few to survive from the artist's visit to Drenthe

Ed Ruscha's visual pun Hurting the Word Radio #2 rose to $46m, a new world record for the artist, but most lots barely reached their estimate in a slow sales season

The newly private auction house led the night's lots with its known money-maker Claude Monet, and set a world record for the Polish artist Tamara de Lempicka

Futurist bronze sculpture cast from another bronze in the 1970s sells for $16.2m—four times its estimate

In our new video series, deputy art market editor Margaret Carrigan recaps the highlights of New York's billion-dollar auction week

Our pick of highlights from this week's auctions around the world