The drawing has no comparables on the art market, dealers say. The Virgin and Child with a Flower on a Grassy Bank (c. 1503), believed to be by Albrecht Dürer. Courtesy of Agnews, London. London’s ...

Those looking to enhance their portfolios of old master drawings would do well to make time for Master Drawings New York (MDNY), the 12th edition of which runs on the city’s Upper East Side January 27 ...