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

The fair will move from Paramount Studios to a tent on Wilshire Boulevard, Beverly Hills, for its next edition in February

Larva Labs created 10,000 CryptoPunks three years ago—and gave away most of them

Our pick of the highlights from April's auctions

Most of the 50 exhibitors participating are based in the Middle East but seven who are unable to travel in person have sent works for "remote participation" stands

The fair will hold an online event in some form, while the London Original Print Fair plans to hold a gallery-based event for 33 of its exhibitors this May

The work sold to cryptocurrency entrepreneur Andre Abdoune and all proceeds will be donated to four charities fighting child poverty

The work appeared suddenly last May at the University Hospital Southampton as a thank you to its staff during the first wave of the Covid-19 pandemic

The 1982 work sold today at Christie's in Hong Kong to an Asian buyer

The new 20th and 21st century auction format will launch in New York this May

Auction house's head of sale Max Moore has already personally bought a work by the artist