Rosenberg, who has been an expert witness in court cases including the Knoedler trial, retrained as an appraiser when he retired as an art dealer in 1985

The Ghanaian painter speaks about his plans for the work, which will be attached to the head of a Blue Origin New Shepard rocket when it blasts into space this autumn

Some US and European galleries at events such as Photo London in September had threatened to drop out due to added cost of isolating in hotels

Auction sales, according to the analysts ArtTactic, are up 230% to a total of $5.9bn so far this year at the three major auction houses, Christie's, Sotheby's and Phillips

The state-backed online "museum" plans a physical exhibition later this year at the Ethihad Museum

Seven new artist records were set in tonight's auction, including for Georges de La Tour, while a second highest prices were set for female painters Angelica Kauffman and Artemisia Gentileschi

The tiny "Post It note" drawing was sold by Thomas Kaplan, owner of the Leiden collection of Rembrandts, who bought it in 2008 based on a fax

Lower-value older works and those by artists who died less than 50 years ago no longer need an export licence to leave the country—but the process can still be slow

The auction house's £17.2m offering in London tonight was only 57% sold, overshadowed by the football match

Collaborative shows from 2 to 16 July features over 40 galleries, with Florence’s Palazzo Strozzi chief curating an online exhibition for those who cannot make the trip

Our pick of the works coming up for sale in London and Los Angeles

Our pick of the best objects up for sale in London and New York

Buyers and sellers will never know each others identity when transacting through the online site, but its founders say such privacy encourages trust and transparency

The work, which took four months to paint in 2002, will be auctioned at Sotheby's this month

The cost-cutting French telecommunications billionaire has formed Altice UK to buy a 12.1% stake in the company

"Art market participants" who sell works of art worth €10,000 (£8,600) or more must register with the HMRC by 10 June

After lobbying from art organisations, government has made last-minute decision that creators who sell their work direct to clients will not be classed as "Art Market Participants"

The first event, featuring 100 exhibitors, will run in September 2022 in partnership with Galleries Association of Korea

The Hong Kong- and London-based collector talks about glowing mushrooms and her dream of feeding specialty dumplings to Yayoi Kusama and Leonora Carrington

With its resilient economy through the pandemic, South Korea is attracting the art industry's attention, with rumours of Frieze launching a fair in Seoul next year

Auction house has partnered with disability charity Leonard Cheshire's Change 100 programme to give work placements in-house and fund others at Tate and National Galleries of Scotland

The 17th century painting of the Earl of Strafford, recently discovered to have been in the Royal collection, is expected to sell for up to £5m in London in July

The Stand has been launched by former Sotheby's boss and will give 70% to artists, 20% to charity

The sale this month will be the first time the auction house has accepted cryptocurrency as payment for a physical work of art

The artist, writer and dealer is selling a selection of bizarre pieces from his London-based Museum of Curiosities on 6 May

Brooke Lampley and Mari-Claudia Jiménez will step up into new roles in the global fine art division, while Gregoire Billault is the new chairman of contemporary art

The gallery will now represent the shiniest and most expensive living artist worldwide

Charity sale is in aid of Sheikh Mohammed bin Rashid Al Maktoum's "100 Million Meals" campaign

The London-based eco-friendly initiative aims to reduce galleries' carbon footprints by at least 50% over the next decade—now German galleries are getting involved too

Eerie wooden cabins, rural quiltmakers and dismembered, tentacular dolls are among our highlights from the city's commercial exhibitions