Object Lessons: our pick of this week's photography auctions

Cecil Beaton, Francis Bacon in His Studio (1960)Photographs, Phillips, 19 May
Estimate £25,000-£35,000“Photographs are not only points of reference; they’re often triggers of ideas,” said the British painter Francis Bacon. While he never painted in a photorealistic style, Bacon accumulated a rich hoard of printed images and often commissioned photographers to make portraits of his closest models. When the contents of the artist’s Reece Mews studio were transf