Experts shed light on Modigliani's murky market with new research project

As demand for works by Amedeo Modigliani heats up, a group of respected experts has founded a research project and a long-promised catalogue raisonn is on the cards.On 21 June at Sothebys in London, the artists Jeanne Hbuterne (au foulard) (1919) sold for a strong 34.4m hammer (38.5m with fees) at Sothebyswell over its 28m-plus estimate.In 2015, works by Modigliani sold for a total $251m, according to Artprice. Prices were driven up by Reclining Nude (1917-18), which sold for $170.4m to the Chi