The painting, dated to around 1637, shows Princess Mary at the age of five or six, wearing a rich silver-laced gown and pearl head-dress, standing before a classical column and ornate gold damask curtain.
Delta, at 27.1% availability in the study, says it has made major improvements in availability over the past year, driven largely by its low standing in the IdeaWorks research last year and coverage by this column.