Specialists Leah Tharpe, Colin S. McNair, and Stephen B. O’Brien Jr. are known for having their fingers on the pulse of today’s buyers and the objects they are seeking. Copley owner Stephen B. O’Brien Jr. is widely recognized as the world’s leading broker of decoys, having sold a single-owner collection of 31 decoys for $7.5 million in 2007 for a record-setting $241,935 average price per decoy. This important sale was featured on the front page of The Boston Globe.