There is a wooden display case, about the size of a folding bridge table, showing off a portable retrospective he created for the Paris Exposition Universelle in 1889.

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The classification came about thanks to Napoleon III, who ordered a group of wine brokers to come up with a list of the best Bordeaux in time for the Paris Exposition, a sort of national trade fair.

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''Chansons de Printemps'' was first exhibited at the famous Paris World Exposition in 1889.

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At the top of the entry stairs stands a massive gilt astronomer's clock made by the great French horologer Detouche for the Paris Universal Exposition of 1855.

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Made from macassar ebony and American walnut and accented with gilt bronze and ivory, Ruhlmann first displayed the style at the landmark 1925 Paris art deco exposition.

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