Auctioneers

Top-seller at Richard Edmonds’ (20% buyer’s premium) latest specialist motoring accessories sale was a hanging lightbox proclaiming the virtues of Pratt’s Perfection Spirit.

Running up a total of over €2m on 600 lots, a smaller number than usual, the May 27 sale held by Ketterer Kunst (23/21% buyer’s premium) in Hamburg produced the book department’s best-ever results.

Tentatively guided at £200-400, this watercolour of an unknown sitter below attributed to the painter and sculptor Glyn Philpot (1884-1937) attracted multiple bids in Cardiff.

Our weekly selection from salerooms and dealerships.

Catalogued as a ‘tin glazed hand painted Chinese vase – 17in (42cm) tall’ and estimated at £50-80, a late 17th century Kangxi period famille verte porcelain vase of waisted trumpet form sold on June 22 for a healthier £12,000 – 150 times the top estimate.

A rare signed ink and gouache image in which Tintin carves a makeshift propellor to replace that damaged by a forced landing of his aeroplane in the Soviet Union sold for $900,000 (£708,660) in a June 8-9 sale of European comic artworks held in the US.

Cologne auction house Lempertz (24% buyer’s premium) held a recent sale devoted to the Schwarzach Collection of mortars, which is thought to be the most extensive of its type in Europe, if not worldwide.

Art market insiders are expecting a dramatic change in the dynamic at the top end of the sector if a remarkable $3.7bn bid to buy Sotheby’s completes this year.

The offer price from Patrick Drahi represents a premium of 61% to Sotheby’s closing price on June 14 and a 56.3% premium to the company’s 30-day average share price.

The latest sales of Impressionist & Modern art in London put in a mixed performance.

The 55-year-old media and telecoms entrepreneur and enthusiastic art collector Patrick Drahi has made an offer to buy Sotheby's via his BidFair USA company in a $3.7bn deal.

A clock made for King William and Queen Mary by Thomas Tompion (1639-1713) was hammered down for £1.6m atThe Clive Collection of Exceptional Clockssale on June 19 at Bonhams.

Stamp and coin dealership Stanley Gibbons Group is due to receive £850,000 to resolve “all outstanding claims involving certain former directors of Mallett”, it announced on June 14.

Auctioneers from across the UK attend trade association SOFAA's biennial yacht club dinner.