NEW YORK, NY.- Sothebys announces that it will offer Property from a Distinguished East Coast Collection in a series of sales in New York through 2011. Assembled over several decades, the Collection offers both diversity and depth, holding important examples from Impressionist, Modern and Contemporary periods, with a special focus on Latin American art and American painting. Impressionist and Modern works from the Collection are led by Kees van Dongens Portrait de Mrs. Jean McKelvie Sclater-Booth, a prime example of the artists fashionable portraits of society Doyennes that synthesized all that was chic and desirable during the 1920s (est. $1/1.5 million**). To have a portrait painted by van Dongen was a coveted status symbol for the most fashionable women of the era, and the present work shows the svelte Mrs. Jean McKelvie Sclater Booth at her glamorous best bejeweled, wearing the latest gown and spo