The Gardner Museum has doubled it's reward money for artwork stolen over 20 years ago to $10 million.

According to the Isabella Stewart Gardner Museum's website, the reward for the 13 pieces stolen back in 1990 is now doubled.

The museum's board of trustees says the offer for a $10 million reward is only good through December 31, 2017, so if you have any information that could lead to the discovery of the stolen artwork...this is apparently your year.

On March 18, 1990 thieves dressed as Boston police officers entered the museum in the early morning hours and left with 13 pieces of art valued at over $500 million!

The stolen art included Vermeer’s painting, The Concert, Rembrandt’s Christ in the Storm on the Sea of Galilee and A Lady and Gentleman in Black, Manet’s Chez Tortoni, and Edgar Degas’ Leaving the Paddock.

This heist remains the largest art theft in history and some of the pieces taken are considered to be among the most valuable stolen objects in the world.

Anyone with information should contact Anthony Amore, the museum's security director, by calling 617 278 5114 or emailing

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