Her mother is a consultant on turn-of-the-century art and antiques.

Commenting on the extraordinary price of the La Farge window, Christie's specialist in turn-of-the-century decorative arts, Nancy McClelland, said: "I think that this is a great window and one can now gauge what other major La Farge windows will bring when they appear on the market."

American turn-of-the-century art has also its glory days at "The Art Show."

There they can visit the Nassau County Museum of Art, located in the former Childs Frick mansion - an institution in transition, with a messy recent past and an uncertain future, but also an aggregate exhibition of turn-of-the-century Viennese art that, despite a certain curatorial casualness, is quite satisfying.

Fearless - Jet Li stars in a biography of the turn-of-the-century martial arts master Huo Yuan Jia, sometimes credited with turning martial arts into a spectator sport rather than a means of combat.

The objects, coupled with the biographies in the back of the show's catalogue, introduce dozens of names most people interested in turn-of-the-century American art have never heard of, while placing others in a new context.

A cultivated, urbane lover of opera, an admirer of the Jugendstil style of Viennese turn-of-the-century art, a collector of the works of Gustav Klimt - and of the stamps of Mitteleuropa.

The new agreement between the National Gallery and the Tate, however, was particularly complicated because both are proud of their turn-of-the-century foreign art.

This is rare for turn-of-the-century American art, when so many American painters produced belated reprises of French Impressionism.

The exhibition of 148 selections by 30 designers, described by the museum as the most comprehensive retrospective in this country of Munich's turn-of-the-century applied arts, remains through Nov. 27.