Roger Blais is a revered figure in the realm of physical media, celebrated for his distinctive contributions to documentary filmmaking. His 1961 masterpiece, *Angkor - The Lost City*, explores the ancient wonders of Cambodia, blending stunning visuals with a rich narrative that captivates both history buffs and collectors alike. This film not only showcases Blais's directorial prowess but also highlights a pivotal moment in documentary cinema, making it a sought-after piece for enthusiasts of both film history and travel narratives. Another notable entry in Blais's oeuvre is *The Dikes* (1955), which offers a compelling look at the engineering marvels of water management. This film is particularly prized among collectors for its historical significance and Blais's ability to present technical subjects with artistic flair. As a director, Blais has left an indelible mark on the collection community, where his works are celebrated not just for their content, but for their place in the evolution of physical media. Collectors seek out his films not only for their intrinsic artistic value, but also for the stories they tell about the past.