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Top selling lots

Clarks, Liskeard, January 1

Two 19th century Oceanic marine ivory fertility carvings depicting tattooed figures with extended tongues.

Estimate: £50-60

Hammer: £8600

Heliers, Blackburn, December 29

John Rennie (1761-1821), a watercolour of the proposed plans for a new aqueduct bridge over the river Lune at Lancaster, dated 1794.

Estimate: £6000-8000

Hammer: £6400

Dawson’s, Maidenhead, December 23

The Beatles, Love Me Do, signed by all four members of the band at Wimbledon Meet the Fans, December 1963.

Estimate: £2400-3000

Hammer: £2500

Highest price over estimate

Wotton Auction Rooms, Gloucestershire, December 28

A white marble panel with carved relief of the holy lamb, 2ft 3in x 18in (69 x 46cm).

Estimate: £40-60

Hammer: £3200

Ryedale Auctioneers, Kirkbymoorside, December 29

American 1812 Liberty 50 cent coin.

Estimate: £20-40

Hammer: £820

Unique Auctions, Lincoln, January 1

Polar bear skin reputedly given to a Grimsby trawler crew by the people of Norway, 7ft 4in (2.24m).

Estimate: £80-120

Hammer: £1600

1380 Most registered online bidders

Wotton Auction Rooms, Glos, December 28-29

Source: Bid Barometer is a snapshot of sales on thesaleroom.com for December 21-January 3, 2017.

‘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