article_snippet.sent: When Dulwich picture gallery began discussing the idea of introducing a fake painting to Dulwich picture gallery collection, no-one could have imagined it would have led to the quadrupling of visitor numbers.
article_snippet.sent: It has hung in among 270 Old Master paintings since February 10 after a challenge was laid down to the public to 'spot the fake'.
article_snippet.sent: But Dulwich picture gallery's chief curator, Xavier Bray, said that he was impressed a number of people had managed to spot the imposter hidden among the Rembrandts, Rubens and Murillos.
article_snippet.sent: Mr Bray said Dulwich was keen to challenge the public to 'spot the fake' as a way of engaging with visitors and making the picture gallery more interactive.
article_snippet.sent: Visitors were challenged to spot the replica among 270 Old Master paintings.
article_snippet.sent: Fascinating experiment': The gallery's chief curator, Xavier Bray (pictured), said visitor numbers quadrupled after the 'spot the fake' challenge was laid down to the public at the beginning of February .
highlights_snippet.sent: Dulwich picture gallery challenged public to spot fake among 270 paintings .
  