In recent art world news is a story about a treasured 1918 oil painting by Amedeo Modigliani of a seated chocolate merchant in a hat and tie holding a cane (“Seated Man with a Cane”).  Art dealer and billionaire David Nahmad is principal of the Nahmad holding company (International Art Center) that purchased

Earlier this week Sotheby’s opened the fall auction season with an impressive record high of $422 million in sales in a single auction for the world’s fourth oldest auction house in continuous operation.

As reported here, of the 73 lots up for auction, 15 lots did not sell, hence the average sell-through rate of