Double-sided or fitted with movable covers, many 15th- and 16th-century portraits from Italy, Germany and the Netherlands were designed for dynamic interaction with the viewer. The reverse sides ...

The middle value of all realized prices for an artist's works sold at auction during a given period, providing a clearer representation of typical market values by minimizing the influence of extreme ...

45 x 37 cm. (17.7 x 14.6 in.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...