Catherine Howard Castle and another owned by the National Portrait Gallery in London. The portrait has long been associated with Henry VIII's young queen; however, the identification of the portrait as Catherine Howard is widely but not universally discounted. The text on the portrait, "ETATIS SVA 21", indicates that the sitter was 21 years old, an age Catherine Howard never reached. Herbert Norris notes that the sitter is wearing a sleeve which follows a style set by Anne of Cleves, which would date the portrait to after 6 January 1540, when Anne's marriage to Henry VIII took place. The original Holbein is
Catherine Howard of those identified during restorations of the chapel during Queen Victoria's reign. She is commemorated on a plaque on the west wall dedicated to all those who died in the Tower. Upon hearing news of Catherine's execution, Francis I of France wrote a letter to Henry, regretting the "lewd and naughty [evil] behaviour of the Queen" and advising him that "the lightness of women cannot bend the honour of men". Catherine has been the subject of contention for modern biographies, "A Tudor Tragedy" by Lacey Baldwin Smith (1967), "Katherine Howard: A Tudor Conspiracy" by Joanna Denny (2006), "Katherine Howard: A