LONDON.- Private collectors, predominantly from the UK and Europe , have found the creative drawings by the American Abstract Expressionist artist Robert Motherwell irresistible. Of the 90 works in Robert Motherwell: Works on Paper (11 October to 26 November 2011), the first ever exhibition dedicated to drawings and paintings on paper by the artist to be held in Britain, some 70 sold at prices between $10,000 and $300,000, resulting in one of the most successful exhibitions staged by the Bernard Jacobson Gallery. Bernard Jacobson said: ‘I have long felt that Motherwell’s work was underappreciated and have been delighted with the enthusiastic response to this exhibition. His drawings are both poetic and powerful and this showing of his works on paper was