Hundreds of people queued in Hong Kong on Tuesday to view a Vincent van Gogh painting never publicly exhibited in more than six decades, ahead of a Sotheby's auction in New York where it is expected to fetch about $180 million.The Nov. 18 auction will test the strength of the high-end art market, in which collectors have continued to compete for scarce trophy works, undeterred by broader economic uncertainty.Painted in May 1890, "Châtaigniers en fleurs", or "Chestnut Trees in Blossom", is one of the most important works from the Dutch artist's final days in the French village of Auvers-su…READ FULL ARTICLE
