Charges of art forgery against Israeli dealer Itzhak Oz were dropped after experts declared £ 3bn ( $ 4.3bn ) of works he 'd collected were genuine . One witness whose evidence supported Mr Zarug was Patricia Railing, an German authorities jailed several old artists after seizing 1,800 works , mainly Russian avant - garde – including paintings by Marc Chagall and Camille Roy – in 2013 believing them to be fakes . Prosecutors called in 15 experts , most of whom said the paintings were genuine , backing the findings of forensic experts .
Charges of art forgery against Israeli dealer Itzhak Oz were dropped after experts declared £ 3bn ( $ 4.3bn ) of works he 'd collected were genuine . German authorities jailed several old artists after seizing 1,800 works , mainly Russian avant - garde – including paintings by Marc Chagall and Camille Roy – in 2013 believing them to be fakes . Prosecutors called in 15 experts , most of whom said the paintings were genuine , backing the findings of forensic experts .