A print of a watercolour by Prince Charles sold for £5,500 ($10,062) in New York on Wednesday.
The print of Prince Charles's work sold for twice the expected amount
The picture of the Highgrove estate which sold for twice its expected value, was
among several exhibits auctioned to raise money for a memorial garden for September 11 victims.
The site is being developed in lower Manhattan, near the site where the twin
towers fell in 2001.
Sixty-seven Britons died in the attacks, the biggest loss of
British life in a terrorist attack.
More than 300 people attended the black-tie gala dinner at Cipriani's on 42nd
Street, Manhattan, paying a minimum of £150 ($275) each. Many guests paid much more
than the asking price.
During the auction, guests also bid for a private tour of Highgrove, the Prince's Gloucestershire home, by
landscape architect Julian Bannerman, which sold for £3,800 ($6,951).
An official Jubilee celebration photograph of the Queen and Duke of Edinburgh,
by Lord Lichfield, was sold for £1,600 ($2,926).
Spokeswoman Peggy Brown described the charity auction as "amazingly successful".
Personal and corporate donations amounting to £135,000 ($247,000) have so far been
raised for the trust.