Some paintings are made with deliberate intent to deceive. Commonly known as forgeries, these are works that have been falsely presented as the product of another artist or time.

Some fakes are extraordinarily sophisticated and require thorough scientific analysis to unlock their secrets. Others were originally made as honest imitations of another artist’s work, but have subsequently been altered or misrepresented.

Close Examination: Fakes, Mistakes and Discoveries reveals some of the secrets behind National Gallery paintings. 

Uncover some intriguing tales of deception and deceit uncovered through close examination:

After Francesco Francia, 'The Virgin and Child with an Angel', probably second half of the 19th century
Is this mysterious work a Renaissance original or a clever fake?
Italian, 'Protrait Group', early 20th century
Follow the story of this sophisticated 20th-century forgery
Imitator of Francesco Guardi, 'Venice: Entrance to the Cannaregio', after 1804
What new light can scientific investigation shed on this Venetian view?
Netherlandish, 'Edzard the Great, Count of East Friesland', 18th century
Find out about the unmasking of an 18th-century copy
Workshop of Albrecht Dürer, 'The Virgin and Child ('The Madonna with the Iris')', about 1500-10
Uncover the complex origins of this 16th-century work
Umberto Giunti, 'Madonna of the Veil', The Samuel Courtauld Trust, The Courtauld Gallery, London
Is this Madonna an authentic Botticelli or a skilful forgery?