Por ejemplo en esta letter de Alex Novax un conocido marchante de fotos.
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Fotos de España a la venta en su web
................The next lot was one of the early big tests, lot 4, Edward Steichen's In Memoriam, 1901 (Female Nude), estimated at $400,000-600,000. It's an important image that has come up before at auction and privately. Several bidders in the room made a play for it, including New York dealer Hans Kraus, Jr., who owned a copy previously, and collector/dealer Michael Mattis. In the end it was New York gallerist Howard Greenberg against Christie's consultant Matthieu Humery on the phone with bidder 1763, whom I suspect was his boss at Christie's Francois Pinault. Pinault is worth a reported $14 billion dollars. Guess who won the bidding war on this one? Yes, bidder 1763 at $665,000. It would not be the only time that bidder would make a dent here. This lot would wind up as the second highest of this auction. Given that the Musée d'Orsay had paid slightly over $400,000 in October 1999 for Steichen's 'In Memoriam' at the Jammes sale in London, which set a record for a Steichen image at the time, this lot did not seem...................