Current knowledge

British School, 16th Century

Lady Margaret Douglas, Countess of Lennox (1515-78)

Royal Collection 401183
Current measurements: 
214.6cm x 125.8cm
Date: 
c.1572

Note that the work cited here is only a probable match with the seventeenth-century record

Sale Inventory c.1649-51
Walpole Society reference (1972):