In 2004, experts of the National Portrait Gallery in London investigated three portraits of Shakespeare in preparation for the gallery's 150th anniversary exhibition. On April 21, 2005, investigators announced that the painting was not contemporary with Shakespeare.
Most of the pigments on the painting are those that were available in the 17th century, but the golden braid of the doublet was painted with chrome yellow, a pigment unavailable until about 1814. The particles of the chrome yellow are part of the normal layer of paint, meaning that it was not painted afterwards. Therefore Tarnya Cooper, one of the curators of the Gallery, announced that the painting is a 19th-century forgery, dating from around 1818–1840.
Read more about this topic: Flower Portrait
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