The Lattingtown property that was once part of the estate of Soong Mei-ling, the wife of Chinese Nationalist leader Chiang Kai-shek, is in contract only a few weeks after it was listed for $11.8 million.

Jason Friedman of Laffey Fine Homes, who is co-listing the 12.8-acre property with his mother, Rudi Friedman, confirmed the contract was signed Aug. 12, though he declined to reveal any details about the buyer or the accepted price. Jason Friedman says there was a great amount of interest in the property from Chinese buyers.

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"We've had a bunch of people wanting to bid on it, but the owners wanted a quick sale," Friedman says.

The sale is expected to close in mid-October, Friedman says.

The property has a nine-bedroom house that was built in 2002, four years after the estate was purchased and subdivided by The Stillman Organization, as well as some original structures from when Madame Chiang lived at the estate, which was owned by her family starting in 1975. She died in 2003 in Manhattan at the age of 105.

This week, Friedman also listed the house next door, which was also part of Madame Chiang's estate, for $4.9 million. The five-bedroom house with six bathrooms and a half-bath was built in 2003 and sits on more than 6 acres.