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Highest price over estimate

W&H Peacock, Bedford, May 4

Mamluk tinned copper-handled basin with cartouches of Islamic text, Egypt or Syria, possibly 14th century, 10in (25cm) diameter.

Estimate: £50-80

Hammer: £16,200

Greenslade Taylor Hunt, Taunton, May 3

Mintons majolica chinoiserie teapot, 5½in (14cm) high.

Estimate: £50-80

Hammer: £2600

Amersham, Buckinghamshire, May 3

Chinese sang du boeuf bottle vase, 12in (30.5cm) high, catalogued as 20th century with Qianlong mark.

Estimate: £100-150

Hammer: £28,000

Top selling lots

Kunst & Design, Krefeld, May 5

Lucie Rie porcelain bowl with yellow and brown glazes and sgraffito decoration, 3in (7.5cm) high.

Estimate: N/A

Hammer: €16,500 (£11,700)

Dickins, Middle Claydon, May 4

Fijian marine ivory necklace formed from sperm whale teeth segments.

Estimate: £400-600

Hammer: £4800

The Swan, Tetsworth, May 3

David Jagger (1891-1958), a pastel study of a semi-clad female nude, 2ft 2in x 2ft 11in (65 x 88cm).

Estimate: £1000-1500

Hammer: £6000

619 Most registered online bidders

Philip Serrell, Malvern, May 3

Source: Bid Barometer is a snapshot of sales on thesaleroom.com for May 3-9, 2018.

‘Highest price over estimate’ = Our selection of items from the top 10 highest hammer prices as a multiple of the high estimate paid by internet bidders on thesaleroom.com

‘Top selling lots’ = Our selection of items from the top 10 highest hammer prices paid by internet bidders on thesaleroom.com