As leading auction houses open their doors, more than 100 pianos go on sale at Conway Hall and Sotheby's offers a Francesco Guardi view of Venice - worth around £20million.

Bonham's gets set to sell a very special Jaguar E-Type at the Goodwood Revival Festival. Plus, a vibrant, valuable and rarely-seen Picasso comes up for grabs in London

A hundred years after the sinking of the Titanic, a crew member's suitcase appears at auction. At Christie's, a larger-than-life baby sculpture by Ron Mueck causes a furore.