What is the known status of the portrait?
ad vivum (done from life); does the portrait convey vitality?
artist and studio
are areas of the portrait unresolved? Does it look like a sketch or model?
>> National Portrait Gallery, curatorial staff (http://www.npg.org.uk/about/organisation/staff-list.php)
>> National Portrait Gallery, Heinz Archive & Library (http://www.npg.org.uk/research/archive.php)
>> Case study 17 – Unknown man and woman by an anonymous artist, c.1610-1614