VIENNA (AP).- A painting by Egon Schiele sold for euro4.4 million ($6.1 million) on Tuesday, a sizable sum but below estimates of its worth. “Procession” depicts three women in different stages of their lives and dates back to 1911, when the Austrian artist — known for his sexually provocative pictures — was just 21 years old. It belonged to an unidentified American art collector and was valued between euro3.5 million ($4.8 million) and euro7 million ($9.6 million) in the run-up to bidding in Vienna’s packed im Kinsky Kunst Auktionen GmbH auction house. In the end, the hammer price — which excludes commission and taxes — was euro3.5 million. Bidding started at euro2 million ($2.8 million). Director Otto Hans Ressler said he was pleased with the sale, adding the market was healthy but that the painting was “great but difficult” to grasp. “It’s,