The Oxford Shakespeare believed to be partly by Shakespeare. The first two editions of the Norton Shakespeare, published by W.W. Norton, were largely based on the Oxford text, but departed from some of its decisions. The term 'Oxford Shakespeare' also refers to Oxford University Press's editions of individual Shakespeare plays and poems. These individual editions follow the same principles as the "Complete Works", but their editors are permitted to reject choices made for the "Complete Works" if they feel strongly; for example, David Bevington's edition of "Henry IV Part One" uses 'Falstaff' not 'Oldcastle'. The hardback editions feature distinctive purple dustjackets, while the
Portraits of Shakespeare only 15. Another example is the "Flower portrait", named for its owner, Sir Desmond Flower, who donated it to the Shakespeare Museum in 1911. This was once thought to be the earliest painting depicting Shakespeare, and the model for the Droeshout engraving. It was shown in a 2005 National Portrait Gallery investigation to be a 19th-century fake adapted from the engraving. The image of Shakespeare was painted over an authentic 16th-century painting of a Madonna and child. In 1849 a death mask was made public by a German artist, Ludwig Becker, who linked it to a painting which, he claimed,