He amassed the core of his U.S. collection in 1993, when an important trove of U.S. stamps owned by Japanese bank chairman Ryohei Ishikawa came up for auction. Gross bought more than $2 million of stamps at the event. Over the years, he’s pounced on every important collection that came to the market. “Just like the 1993 auction brought out Bill,” Shreve says, “Bill’s collection will draw out other collectors.”
This article was provided by Bloomberg News.