Gertrude Abercrombie painting bought for $30, possibly worth $250,000

A 'treasure hunter' found an undisturbed painting with seashells signed 'Abercrombie '51' at an estate sale in Michigan in July, purchasing it for $30. During a family vacation in Milwaukee, he happened to visit the traveling exhibition 'Gertrude Abercrombie: The Whole World Is a Mystery' and spotted an archival photo of his own purchase in the catalog. A recognized Abercrombie...