The journalist and collector Niomar Moniz Sodré Bittencourt, who established the Museum of Modern Art of Rio de Janeiro, was exiled after speaking out against Brazil's military dictatorship

The work sold at Christie’s New York, almost quadrupling its $3.5m high estimate, as South Asian Modern art crests a wave

What might the fallout be after Creative Australia’s unpopular decision to cancel Khaled Sabsabi’s project? Plus, AI art beyond this week’s open letter and a chat about Catlett’s terracotta sculpture ‘Tired’

Due to be sold at Sotheby's New York in May, the group of works includes pieces by Guardi and Canaletto and is billed as the "most valuable single-owner collection of Old Master paintings ever to appear at auction"

Double-header sale in London last night was led by René Magritte with strong prices for Paul Delvaux and Tamara de Lempicka

In all, 28 of the Augmented Intelligence sale's 34 lots found buyers, including pieces by Refik Anadol, Charles Csuri and Harold Cohen

Last night's sale at Sotheby's, which totalled £62.5m, also included a £4.3m Banksy sold by blink-182 frontman Mark Hoppus

Around 60 works estimated for a total of $80m to $120m from the collection of Jordan and Thomas A. Saunders will be offered in New York this May

The price is the second-highest ever paid for a work by the French sculptor

For the Cure3 exhibition at Bonhams, to raise money for research into Parkinson’s disease, contributing artists Auriea Harvey and Michaël Samyn talk about the cause

The sale has sparked backlash from critics who say AI programmes exploit human artists

The “Origins” sale totalled $17.28m and achieved a sell-through rate of 67% by lot

The 15 works, on the market for the first time since they were bought by an anonymous collector, will be on show this week before being sold in March

Romanian prime minister Marcel Ciolacu said a legal team is pursuing the recovery of the painting once owned by King Carol I of Romania

Sun claims he is the rightful owner of Le Nez, which is purportedly now in Geffen’s possession in New York

The Venetian lagoon painting—submitted by a member of the public to Christie's digital appraisal service—comes to auction in New York with an estimate of $300,000 to $500,000

At last November's evening auctions in New York, eyes were on a $6.2m banana, but overall sales were down 41% on the previous year

Also starring this month are an Escher paradox print and a Venice watercolour by John Singer Sargent

We asked the art world’s movers and shakers what's in store for the next 12 months

The bronze is now expected to sell for up to €2m when it is auctioned in Orléans in February

This is the second most valuable page of comic art ever sold at auction

The lower-priced sector is also the fastest growing, doubling over the past decade

Plus a a little-known Botticelli and a sleek, Modernist ceramic bowl

Exploring this week’s New York auctions, which included Maurizio Cattelan’s now-infamous fruit, plus a tribute to the late German-British artist Auerbach and a chat with Sobekwa about a work from his powerful series, on view at the UK’s Sainsbury Centre

The Carr painting was one of the star attractions at the Heffel Fine Art Auction House’s marquee autumn sale in Toronto, alongside works by Tom Thomson, Marcelle Ferron, Kenojuak Ashevak and Chief 7IDANsuu James Hart

Despite Maurizio Cattelan's Comedian selling for a staggering $6.2m, The Now and contemporary auctions in New York made 63% less than last year

The interior designer Mica Ertegun's Surrealist L'empire des lumières sold for a record $121.1m in New York last night, with a new high also set for Ed Ruscha

The night’s total take took a major hit when it was revealed that its second-biggest lot, a Basquiat self-portrait, had failed to sell

Kicking off November's marquee evening sales, the house brought in a total of $268.6m from 49 lots

The most valuable lot of the week is a record-breaking Magritte with a third-party guarantee, but the most talked-about is a conceptual still life by Maurizio Cattelan