Sotheby's International Realty was founded in 1976 to provide full real estate services to auction clients. It has since grown to become a global brand known for high-end properties. The document discusses Sotheby's presence in Colorado and its results in 2013, including over $1.5 billion in sales. It also outlines the benefits of partnering with Sotheby's, such as global exposure, relocation services, and an online marketing strategy.