A profile of the international Bloomsbury auction house with Rupert Powell, managing director. Bloomsbury Auctions was founded in 1983 by a triumvirate of ex-Sotheby’s employees from the book department. Back then, Sotheby’s attitude was that books of small value, under £300, were not worth handling, but there were certainly plenty of people who were interested in books worth less than £300—John Kerr, Frank Herrmann and David Stagg among them. In the financial downturn of 1981-82...