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So-called ‘mystery clocks’ are given their name due to the ‘mystery’ surrounding their movement. A French figural revolving globe lamp example will be offered in the sale of Clocks, Scientific & Musical Instruments at McTear’s of Glasgow on June 8.

Estimated at £200-300, it features a 17in (44cm) high 17th century courtier holding a staff, with a spherical glass timepiece on top hand-painted with Roman numerals.

mctears.co.uk

This 9½in (24cm) St Ives studio pottery vase, above, by Janet Leach (1918-97) is estimated at £300-400 in the June 9 20th century Design & Modern Art sale at Keys in Aylsham, Norwich.

The ribbed baluster body has a white trail slip design and bears a St Ives mark and artist’s monogram to the base.

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

A silver cow creamer by Asprey & Co will feature in a June 13 sale of silver, jewellery and luxury accessories at Dreweatts 1759 in Donnington Priory, Berkshire.

Made in London in 1972, the 15cm (6in) long cow with hinged cover and bee finial weighs 155g (5oz) and is estimated at £200-300.

dreweatts.com or see this item on thesaleroom.com

This 3½in (9cm) René Lalique wild boar car mascot shown above, dating to the 1930s, is estimated at £300-500 in the June 7 sale at Duke’s of Dorchester.

Made from black glass and bearing a Lalique signature to the base, the piece forms part of an 86-lot sale of car and motoring memorabilia from the Wolfgang Gawor collection held at Athelhampton House in Dorset.

dukes-auctions.com or see this item on thesaleroom.com