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The vases, which date from 1773-7 and have painters’ marks for Chappuis for the bird decoration, Tandart for the flowers and Vincent as gilder, were spotted on the Woollahra stand by Versailles director Christian Baulez but had already been reserved by a collector.

As things transpired, the collector did not take up the option and they have subsequently been bought by Versailles.

“They originally belonged to the Comtesse du Barry therefore in one sense they have gone home,” said Robert Jones, who added: “For us it is very satisfying to sell them to the most famous château in the world.”