Yves Saint Laurent is considered by many in the fashion set to have been the most gifted designer of the twentieth century. He founded his brand in 1961 and developed bold, modern designs, often pushing the boundaries of fashion. Yves Saint Laurent soon became a global mega brand. Saint Laurent is one of the leading names in handbags, its most famous pieces are the Muse bag and the Sac de Jour. Pre-owned Saint Laurent bags are in high demand.