London

One of the longest-running niche markets in London has reopened post-lockdown and trader numbers are rising slowly, says Bridget Pettecrew, organiser of the Charing Cross Collectors’ Market in the arches below Charing Cross Station in London.

The collection of about 800 engraved gems formed by the nobleman and politician George Spencer, 4th Duke of Marlborough (1739-1817), was the largest and most important of the age.

After 10 years based at London’s Old Spitalfields Market, Phil Taylor Cool Stuff is moving west to the antiques hub of Lillie Road in Fulham.

Mayfair Art Weekend (MAW) is back for an eighth annual event with a busy programme of exhibitions and talks planned.

Sotheby’s has described this oil on canvas by Frederic, Lord Leighton (1830-96) as “a fascinating and beautiful rediscovery”.

Discoveries take centre stage as event incorporates London dealers beyond its normal area

This Egyptian 25th or 26th Dynasty polychrome limestone relief fragment, the property of a Belgian collector, comes for sale at Christie’s Antiquities auction in London on July 7.

With fewer collectors and international dealers expected in London this summer, the capital’s high-end art fair 'Masterpiece' migrates online for its 2021 edition

Sotheby’s Treasures sale on July 6 includes this Dutch silver standing salt by Adam van Vianen (Utrecht, 1621) estimated at £600,000-800,000.

This Roman amber glass beaker is decorated with six stylised victory wreaths and the inscription in Greek ‘Seize the Victory’.

Roseberys’ Fine & Decorative auction in south London on July 21 includes, estimated at £500-1000, this large mid 19th century electroplated flagon by Elkington & Co.

A large collection of tokens and badges relating to Sheffield comes to market at the Coins, Tokens and Historical Medals auction on July 6-7 at London saleroom Dix Noonan Webb.

Among a number of historic portraits at West Norwood saleroom Roseberys in the auction of Old Master & 19th Century Pictures on July 20 is this painting of a man wearing a fur collar, white lace ruff and a skull cap, below.

The Exceptional sale at Christie’s on July 6 includes this outstanding example of Charles I silver: the so-called Seven Liberal Arts inkstand. The estimate is £1m-1.5m.

Restituted pictures remain a key area of supply for fresh Old Masters and Christie’s evening sale on July 8 includes two Dutch Golden Age paintings.

In answer to your article on the Portobello Road area consultation (ATG No 2495), here are some possible improvements I would suggest.

The sale titled 500 Years of European Ceramics at Bonhams Bond Street on July 6 includes this pair of 18in (45cm) vases by the Paris Dagoty factory.

Among the highlights at Sotheby’s Old Masters evening sale on July 7 is one of a series of eight views of the Thames estuary exhibited by JMW Turner (1775-1851) at his gallery in Harley Street between 1807-09.

John Ebsworth was in the first rank of early makers who were working during the last quarter of the 17th century.