Our pick of items that are for sale via the fair's online platform, which replaces the IRL fair which had been scheduled to run this week in Maastricht

As exhibitors threaten to pull out of the fair in the face of travel uncertainty, another letter offering "extraordinary" one-off concessions to dealers is sent

Our pick of the highlights from this month's fairs and auctions

Fair says it is committed to going ahead but offers concessions to exhibitors, including rolling over booth fees to 2022 if they cannot enter the country and offering staff to man stands

Non-EU visitors will have to apply for Swiss Covid-19 certificate before attending and, with certain vaccines not recognised, some will have to take tests onsite

The art and design event has been cancelled due to the continuing difficult travel situation between the UK and France and will return in October 2022

The ambitious auctioneer started out in car racing before going into art and antiques, eventually retiring to his farm near Exmoor to rear a herd of beef cattle

The London-based dealer of four decades is downsizing and having a 200-lot sale of contemporary art, Modern furniture, ethnographic art and antiquities

As a 40-year-old piece of icing and marzipan sells for £1,850, we look at the market for elderly baked goods (topped by a £15,000 biscuit)

Tefaf New York's former co-owners will launch the five-storey Art House this November with space for 60 galleries and a member's club—a similar model to London's Cromwell Place

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