Pencil drawing on an acid-free slightly off-white coloured paper. Detail study done in Prado Museum in Madrid, May 2009. The portrait is loosely done according to the detail of a head of Maria Augustina Sarmiento painted by Diego Velázquez and found in the great masterpiece "Las Meninas". PRICE UPON REQUEST. If you have any questions concerning my art, please do not hesitate to contact me. Thank you very much for your interest in my art.