The map, compiled in 1612 and named Carte Geographique de Nouvelle France, was found at a New York City arts dealer, where it was on sale for USD 285,000, the library said yesterday. It was identified by Ronald Grim, curator of the library's Norman B Leventhal Map Center, who spotted it in an antiques publication over the summer.
"I was stunned to come across the map, and thrilled to determine it indeed belongs to the Boston Public Library," Grim said in a statement. "I'm proud it's been returned to its rightful home."
Grim, shortly after joining the staff in 2005, began an inventory of the library's rare map collection and discovered that 69 were missing from atlases and books. The inventory was prompted, the library said, by the arrest of E. Forbes Smiley III, an antique map dealer who was arrested in June 2005 on charges of stealing maps from Yale University.
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Authorities said at the time that Smiley helped investigators recover many of the maps, stolen over eight years, including 34 that were returned to the Boston library. Federal prosecutors cited his cooperation in proposing a reduced sentence.
The Champlain engraving was not among the maps that Smiley admitted taking.
To confirm the identity of the map, Grim said he compared it with a digital image taken from a previous photograph. The document had distinctive markings, including tears on the left side and a hole just above one tear.