*Diana Dress for auction.

The Sotheby July 10th sale, in association with Kerry Taylor Auctions, has an evening gown worn by Princess Diana. The outfit, a fuchsia pink swathed chiffon sari-style evening gown was worn by the Princess on her official visit to Thailand in 1988.

Estimate £25,000 to £35,000.

The costume was designed by Catherine Walker, founder of the Chelsea Design Company, London, which made most of the princess's evening dresses.