The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
David Hockney. Untitled 25 April 2011. iPad drawing. RadioTimes. Royal Academy of Arts. David Hockney RA A Bigger Picture Exhibition runs. Piccadilly. London. Postcard
A Bigger Picture. Untitled. David Hockney. Radio Times. Royal Academy of Arts
David Hockney. R. A. A Bigger Picture. Untitled. Royal Academy of Arts. iPad Drawing. Radio Times
David Hockney. Untitled 21 March 2011 iPad drawing. Bigger Picture. Royal Academy of Arts. Exhibition 21 Jan 09 April 2012. London. Radio Times
David Hockney. Untitled 11 April 2011 iPad drawing. Bigger Picture. Royal Academy of Arts. Exhibition 21 Jan 09 April 2012. London. Radio Times
David Hockney. Untitled 25 April 2011 iPad drawing. Bigger Picture. Royal Academy of Arts. Exhibition 21 Jan 09 April 2012. London. Radio Times