The Fake (1953)

Someone is stealing priceless paintings from the great museums of the world and replacing them with nearly flawless forgeries Leonardo da Vincis Madonna and Child is being shipped to Londons Tate Gallery for a special exhibition and Paul Mitchell is assigned to protect it Upon the paintings arrival Paul realizes it has been switched Eager to collect the museums 50000 reward he teams up with Mary Mason a Tate employee to recover the original