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A handwritten note dated to 1917, details the journey of this necklace and earring set down the same family line – starting in 1812 as a wedding gift.

The Georgian demi-parure of sardonyx shell cameo set dated c.1800 has been consigned with a collection of other 19th century jewellery from the same vendor.

It is offered in Capes Dunn’s Manchester sale on November 21, estimated at £2000-3000.

capesdunn.com

A large painting created by Dinos Chapman (b.1962) as a student of the Royal College of Art in the late 1980s is included in Sworders’ Modern British and 20th Century Art auction in Essex on November 13.

Chapman is a British visual artist best known for the controversial works he creates with his brother Iakovos ‘Jake’, known together as the Chapman Brothers.

This early abstract work titled Snak Krek Strem I – Kraking up Under the Strem, measures 4ft 11in x 5ft 11in (1.5 x 1.8m) and is estimated at £3000-5000.

sworder.co.uk or see this item on thesaleroom.com

Fellows’ November 9 sale in Birmingham includes this pair of brooches relating to the Northolt Park Races in London.

Designed as vari-cut diamond horses in mid-stride with coloured enamel jockeys, the brooches are estimated at £2200-3200.

The horse carrying the green jockey in a scarlet cap has been identified as Timed In, who won The Brentford Handicap race held on April 17, 1939.

The Northolt Park Races attracted many people from across London and remained hugely popular until its closure at the outbreak of the Second World War.

fellows.co.uk or see this item on thesaleroom.com

In watch-collecting circles the name ‘The Dirty Dozen’ refers not to the 1960s war film but to a group of 12 watches worn by British soldiers during the Second World War.

They were commissioned by the Ministry of Defence, which wanted reliable custom-made watches, regulated to chronometer standards, waterproof and shockproof. It asked 12 watch companies to fulfil these requirements; Buren, Cyma, Eterna, Grana, Jaeger-LeCoultre, Lemania, Longines, IWC, Omega, Record, Timor and Vertex.

Watches of Knightsbridge will include a number of examples in its sale in London on November 18, such as this Omega watch.

It is one of the earliest of 25,000 ‘Dirty Dozen’ Omega watches known to have been issued to the British military.

Estimate £1500-2500.

watchesofknightsbridge.com or see this item on thesaleroom.com