Art & Photography
Aert van der Neer's Frozen River valued at $6m ahead of sale
Aert van der Neer's Frozen River will headline Sotheby's Master Paintings sale
Edvard Munch's Der Kuss realises $185,000 at Armory Show sale
Edvard Munch's Der Kuss led a collection paying homage to the great exhibition
James van der Zee photograph sets World Record price of $52,000 at Christie's
The simple photograph, Untitled, has broken the record for one of James van der Zee's works