Martyn Downer is the bestselling author of Nelson's Purse (Bantam, 2004) and Nelson's Lost Jewel (THP, 2017). As the former Head of Jewellery at Sotheby's, he is the world's foremo...view moreMartyn Downer is the bestselling author of Nelson's Purse (Bantam, 2004) and Nelson's Lost Jewel (THP, 2017). As the former Head of Jewellery at Sotheby's, he is the world's foremost specialist on the objects, relics and artefacts relating to the life and career of Admiral Lord Nelson.view less