Lambeth’s Garden Museum is hoping to raise £420,000 to purchase a portrait of the gardener and plantsman John Ystumllyn (1736-86/88), one of the earliest recorded black gardeners in Britain.

The Hampstead home of Muriel Jackson (1901-77) and her family was sold earlier this year and now around 60 paintings, drawings and wood engravings will be offered at auction directly from the house at 20 Well Walk.

A fragmented Old Master portrait by Artemisia Gentileschi (1593-1654), with the head and shoulders of the sitter cut out, took a hammer price of €650,000 (£563,305) at Dorotheum.

Three large horse portraits by the British artist John Wootton (1682-1764) will be on display at The National Horseracing Museum in Newmarket following an allocation from Arts Council’s Acceptance in Lieu scheme.

A huge wool and silk tapestry titled The Meeting of Dante and Virgil and dated to 1546-49 will be restored with funding from The European Fine Art Foundation (TEFAF) Museum Restoration Fund.

One of the dealers stalling out at the two-day Ardingly International Antiques & Collectors Fair last week was shocked to discover a Second World War shell among his possessions.

A group of rare books and a bound collection of 37 love letters written by the Romantic poet John Keats to his fiancée Fanny Brawne have been recovered and returned to the family.

A small group of previously unseen preliminary drawings by Winnie-the-Pooh illustrator EH Shepard were offered by book dealer Peter Harrington.

A selection of updates from across the auctioneering world

The memento mori pendant depicted in a celebrated 17th century family portrait on the theme of grief, mortality, and religious faith, has been discovered.

The buyer of an Olympic winner’s medal from the first Olympic Games has been revealed by auction house Bruun Rasmussen.

An 18th century silver tea table linked to the Lethieullier family has been purchased by the Huguenot Museum in Rochester.

A new owner for Paris firm Pierre Bergé & Associés features in this Movers and Shakers round up