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

Parisian fair dedicated to contemporary African art is gaining momentum in its fourth edition

How a work of art comes to auction is far from a simple process and its place in the eventual sale order is crucial

The chairman of Phillips on boardroom battles and joining the underdog

Can the quality of the smaller works coming up during "gigaweek" quell economic jitters?

If not immune to geopolitical unrest, then perhaps art is a refuge for money that is struggling to find its way into other assets

The world's largest photography fair aims to champion diversity and young blood, but new works from the medium's biggest names tower over this year's edition

One of the works was looted by the Nazis from Jewish collector Jacques Goudstikker, but is now being sold by his heir after restitution

Missing since 2012, around 1,300 prints have been returned to their rightful owner, who used to sell Creme's works

Five graffitied segments were bought by the non-profit Brussels art fair last year and will be exhibited at the event next year

After months of fundraising to bring legal action, judge dismisses antiques trade's objections to upcoming ban

Instagram power and the rise of the consumer collector are turning the art world upside down

The partnership is the latest collaboration undertaken by the growing blockchain-based art registry to increase “transparency” in the art market

High price for painting at Christie’s in New York last week is prompting speculation but expert says his money is on Isaac de Jouderville

Photography fair opens this week in French capital with a section focussing on marginalised artists

Inaugural government-backed Shanghai International Artwork Trading Month aims to boost city's art market as economy takes a turn

Blain Southern gallery is undergoing restructuring but “remains committed to its artists”, Blain says

Attempting to capitalise on the crossover collecting trend, the fourth edition of the Dutch fair brings in Modern and contemporary art to complement its historical focus

In its fourth edition, Nigerian event exhibits artists from 24 countries but maintains a focus on West Africa and growing local collector base

Transparency International's analysis of spending in corruption cases reveals role of art and antiques

Conceptual videos by Teresa Margolles and the boys of the Beaux Arts Generation are among our picks of the best commercial exhibitions this month

Stunt suspicions swirl after Sotheby’s auction sees 2009 work by street artist sell for far more than its £2m high estimate

Calls for emergency art storage are putting pressure on art shipment and insurance firms

Billed as the next big thing, schemes to sell shares in works of art have yet to excite the market

After more than a week of violent uprising in Santiago, the director of Chaco calls on art to “become the meeting space that Chile needs”

Inadvertent damage to paintings’ frames triggered a drawn-out, multi-million dollar lawsuit

Smith leaves after four and a half years with a $28.2m severance deal, including $16.9m in shares, and will remain as a senior adviser to Stewart

Timurid manuscript, estimated at £1m-£1.5m, from the late dealer's collection, failed to sell but many other pieces go over estimate

Rediscovered painting, found in a French house clearance, is the first work by the 13th century Florentine artist to be sold at auction in living memory