Bianca Sforza attracted few stares when introduced to the art world on January 30, 1998. She was just a pretty face in a frame to the crowd at a Christie's auction in New York City. Nobody knew her name at the time, or the name of the artist who had made the portrait. The catalog listed the work—a colored chalk-and-ink drawing on vellum—as early 19th century and German, with borrowed Renaissance styling. A New York dealer, Kate Ganz, purchased the picture for $21,850.
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