Couple behind Shanghai's Long Museum to sell part of their collection at Sotheby's
Paintings by Modigliani and Kusama among the 50 works to be offered in Hong Kong—with more potentially coming to the block in New York
Paintings by Modigliani and Kusama among the 50 works to be offered in Hong Kong—with more potentially coming to the block in New York
A Unesco antiquities trafficking expert says the theft is "probably the worst case so far"
The artist's gallerist recalls a visionary who built creative communities in London and Liverpool and had a profound effect on British popular culture