Awards & Events June 23, 2010updated 08 Jan 2016 5:47pm Christie’s By Spear's 23 June King Street, St James’s Website Most valuable art auction ever to take place in London will also offer Picasso’s ‘Blue Period’ portrait of Angel Fernández de Soto; Gustav Klimt’s magnificent portrait of Ria Munk; and further masterpie… Content from our partners How Guernsey’s private trustee structures can protect assets Luštica Bay: The Adriatic’s most coveted address AI, growth and public policy: What is the future for Britain? Related Awards & Events Miami is here to stay, says Douglas Elliman boss Awards & Events A guide to the Spear’s Awards: Everything you need to know Awards & Events World’s top headteachers attend Spear’s event at the Savoy Spear's