LONDON.- Sothebys Islamic Art Sales Series concluded this afternoon, realising an outstanding above high estimate total of £25,349,000 ($40,264,239) and a combined sell-through rate by lot of 64%. The total achieved represents a record sum for any Auction Series of Islamic Art ever staged. The exceptionally strong sum of £18,297,200 ($29,118,164) realised for todays Arts of the Islamic World Sale, which was over £1 million above the high estimate for the sale, established the highest-ever total for a single sale staged in this collecting field. Todays results follow the success of last nights first-ever Evening Auction in the category A Princely Collection: Treasures from the Islamic World which brought £7,051,800 ($11,146,075). Discussing the results of Sothebys Islamic Art Sales Series, Edward Gibbs, Senior Director and