PARIS - A nude photo of France's first lady is to be auctioned off at a sale next month in New York City.

The image of Carla Bruni-Sarkozy was taken by photographer Michel Comte in 1993, when Bruni-Sarkozy was one of the world's most coveted models.

In the black-and-white photo, she strikes a pigeon-toed pose, her hands strategically positioned below her waist.

According to Christie's auction house, the photo is expected to fetch between three- and four-thousand dollars April 10th at New York's Rockefeller Plaza.

French President Nicolas Sarkozy's office is declining comment, saying it's a private matter.

Sarkozy divorced his second wife in October and married the Italian-born former model -- now a successful singer -- in February, after a quick courtship.

Bruni-Sarkozy is to undertake her first state visit as France's first lady tomorrow with a two-day trip to Britain.

There, she and her husband are slated to attend a lavish banquet put on by the Queen.