The Monet Nobody Wanted: How a Rejected Period Became a €30 Million Masterpiece.
What the upcoming sale of Iris reveals about provenance, taste — and how the art market changes its mind.
There is something wonderfully uncomfortable about the history of the art market: today's masterpiece can be yesterday's unwanted painting.
This October in Paris, that contradiction will be put on public display.
Claude Monet's monumental Iris, painted around 1924–25, is expected to sell for €22 million to €30 million at Sotheby's on 22 October 2026. Measuring approximately 160 × 180 cm, it is reportedly the largest painting from Monet's Iris series ever to appear at auction. If expectations are met, the work could establish a new record for the most expensive painting ever auctioned in France.
But its estimate is not the most interesting part of the story.
What makes Iris fascinating is that the qualities now contributing to its extraordinary desirability belong to a period of Monet's career that was once deeply misunderstood.
And one collector recognised that before almost everyone else.
Her name was Jeanne Schlumberger.
A €30 Million Painting That Disappeared for Decades
The painting comes from one of France's remarkable private collections.
Jeanne Schlumberger, an heir to the Schlumberger industrial fortune, quietly assembled a collection containing works by Monet, Cézanne, Bonnard, Soutine, Gustave Moreau and Georges Rouault.
She died in 1984.
Yet many works remained within the family, largely outside public view.
Now 28 works from the collection are coming to auction, with a combined expectation exceeding €40 million. Iris alone carries the €22–30 million estimate. Another late Monet, Saule pleureur, is estimated at €9–12 million.
For collectors, however, there is an important lesson hidden inside those numbers.
Schlumberger was not simply buying famous artists.
She was buying the parts of their careers that other people had not yet learned to appreciate.
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