'Dame mit Facher,' which was still on its easel when the celebrated Austrian painter was found dead in 1918, bought by Hong Kong collector in latest eye-popping art deal

Sotheby's believes that 'Dame mit Facher' (Lady with a Fan) could go for some $80 million when it goes on sale at the end of the month

Culture Minister Bachelot hails 'historic' bill, but Senate approval still needed; among pieces to be returned are a Klimt and a Chagall

'Rose Bushes Under Trees,' painted by the Austrian artist around 1904-05, will be given to the relatives of Holocaust victim Nora Stiasny

Experts confirm authenticity of century-old artwork which went missing in February 1997 while the gallery was closed for work