On May 17 , 1990 , his widow sold the painting for US$ 78 million at Sotheby 's in New York City to Ryoei Saito ( Saitō Ryōei ) , the honorary chairman of Daishowa Paper Manufacturing Company , Japan .
On May 17 , 1990 , his widow sold it for US$ 78 million at Sotheby 's in New York City .