LONDON.- A stunning art deco diamond wristwatch by Cartier circa 1935 that belonged to Eleonora Sears, the great, great granddaughter of Thomas Jefferson, will be offered in the Fine Jewellery sale, taking place at Bonhams London on the 21st September. The strap consists of baguette and brilliant cut diamonds and is estimated to sell for £15,000 – 20,000. As well has her famous great, great Thomas Jefferson, the principal author of the Deceleration of Independence and the third President of America, Sears was a pioneer of American women’s sport. Popular among the upper class circles of New York and Boston, Seers frequently topped New York’s ’10 best dressed’ list. After meeting her in 1924 Prince Edward, the Prince of Wales, said she was his favourite dance, squash and tennis partner. Also included in the Bonhams sale are pieces of jewellery by Black Starr & Frost, America’s oldest jeweller. Throughout the