Top stories this week – including news of the ‘ultimate attic find’ coming to auction and Bonhams raising its buyer’s premium

The most popular stories on this website over the last week included news of a painting found in a French attic believed to be by Caravaggio and now due to be auctioned with a valuation of over £100m, as well as Bonhams raising its buyer’s premium to a level beyond Sotheby’s, Christie’s and Phillips.