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Highest price over estimate

Golding Young, Grantham, January 4

Adam style iron and steel fire grate.

Estimate £60-80

Hammer £650

Toovey’s, Washington, West Sussex, December 30

Eight 18th century German iron keys and a similar folding hook.

Estimate £100-150

Hammer £1200

Gildings, Market Harborough, January 3

A group of Faber & Faber cookery books by Ambrose Heath, with dust wrappers.

Estimate £40-60

Hammer £950

Clarkes, Semley, Dorset, December 29

A finely chased gilt brass monteith, 18th or 19th century.

Estimate £30-50

Hammer £380

Top selling lots

Tennants, Leyburn, January 4

Charles Darwin, On the Origin of Species, 1860, second edition in publisher’s green cloth.

Estimate £1200-1500

Hammer £3400

Gilbert Baitson, Hull, January 4

Early 20th century bicycle by Dursley Pedersen.

Estimate n/a

Hammer £1700

Most registered online bidders

Wotton Auction Rooms, December 29-30, 1063 bidders

Source: Bid Barometer is a snapshot of sales onthesaleroom.comfor December 22, 2016-January 4, 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 onthesaleroom.com

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