COMPETITION: DETAILS No 309

In which painting by which painter can you find this hemline?

DETAILS 307 showed the mosaic bark from Van Gogh's Tree Trunks in the Grass (1890). The picture is in the Reichsmuseum, Kroller-Muller, Otterlo.

The first three correct entries drawn were from: Jonathan Nevitt of London SW18; Alan Rosser of Mumbles, West Glamorgan; and IM Docherty of Farnborough, Hants.

Each will receive a bottle of champagne, as will the winners of this week's competition. To enter, send your answer on a postcard (to arrive by 23 Oct) to: DETAILS 309, Arts Desk, Independent on Sunday, 1 Canada Sq, Canary Wharf, London E14 5DL.