Top selling lots
Schuler Auktionen, Zurich, June 20
Peter Lanyon (1918-64), Tideway, watercolour on paper, signed and dated June 1964, 22½ x 2ft 6in (57 x 76cm).
Estimate: SFr2500-4000
Hammer: SFr30,000 (£20,500)
Martel Maides, St Peter Port, Guernsey, June 21
Lily Delissa Joseph (1863-1940), City of London Skies and Flowers (Roofs of High Holborn), c.1936, oil on canvas, 4ft 5in x 4ft 10in (1.35 x 1.46m).
Estimate: £6000-8000
Hammer: £22,000
JS Fine Art, Banbury, June 23
Lotte Laserstein (1898-1993), oil on paper, 2ft x 18½in (62 x 47cm,) label for Belgrave Gallery, 1987.
Estimate: n/a
Hammer: £15,600
Highest price over estimate
Sworders, Stansted Mountfitchet, June 26
Two Vulcan bomber R88 radar operator’s cameras.
Estimate: £150-250
Hammer: £6900
Dawson’s, Maidenhead, June 23
John Speed’s New and accurat map of the world, 1626, 15½ x 20in (39 x 51cm).
Estimate: £100-150
Hammer: £2800
Unique Auctions, Lincoln, June 23
Victorian ‘Napier’s bones’ calculating device.
Estimate: £40-60
Hammer: £1400
Most registered online bidders
986 Gorringe’s, Lewes, East Sussex, June 26
Source: Bid Barometer is a snapshot of sales on thesaleroom.com for June 21-27 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