Sotheby's recently announced that it will offer at auction this spring and fall 20 portraits of a cosmetics industry pioneer and one-time princess (by marriage), the late Helena Rubinstein. The unusua…
The modernist masterpieces of Sergei Shchukin and Ivan Morozov were nationalized by the Bolsheviks and are now on view in a celebrated and controversial exhibition at London's Royal Academy. The…