A group of four works from the collection of Ralph C. Wilson jnr., founder of the Buffalo Bills NFL franchise, will lead Sotheby’s sale of Impressionist and Modern Art in London on June 23. The collection is highlighted by two paintings by Claude Monet. Ralph Wilson was best known as the longtime owner of the Buffalo Bills. He was also a passionate collection of art. Seeking out the finest examples he acquired these four examples in the 1990’s. Monet’s La Seine a Argenteuil is estimated at £7-10 million while his 1888 view of Antibes has an estimate of £6-8 million; Jeunes Femme dan les Fleurs by Edouard Manet is estimated at £4-6 million and Les Bords du Loing by Alfred Sisley is estimated at £1-1.5 million.