Art & Photography
Dame Barbara Hepworth's Two Forms sells for $4.8m
Dame Barbara Hepworth's Two Forms led a sale of British & Irish art
Picasso's striking La Dame - la Collerette leads Swann's New York Print sale
A Century of American Prints will also feature works by greats such as Pissaro and Renoir
Dame Laura Knight painting estimated at $40k
Knight's paintings have proved valuable in the past, and now her Cornwall landscape is for sale