The Arrival of Spring - David Hockney's latest exhibition

Something like 85% of digital drawings in The Arrival of Spring sold before David Hockney's new exhibition opens tomorrow at Annely Juda Fine Art.  However the stars of the exhibition are a new set of charcoal drawings completed in Spring 2013 - and they're not yet for sale.  I imagine when the time comes they'll either be donated to a major art gallery or museum or they will be sold as a