Marie-Hélène Ranc is a pivotal figure in the realm of physical media, with a career marked by her dedication to preserving and promoting important cinematic works. Her involvement in the production of "Roman Karmen - Un cinéaste au service de la révolution" (2002) not only showcases her commitment to documenting revolutionary filmmaking but also highlights her ability to bring lesser-known narratives to the forefront. This film, which delves into the life of a Soviet documentarian, resonates deeply with collectors who appreciate films that explore historical contexts and the art of documentary cinema. Collectors seek out Ranc's work not just for its artistic merit but also for the rarity of these releases, which often come with valuable insights into film history and the socio-political themes they address. The scarcity of editions, particularly those that offer exclusive features or critical commentary, makes her projects highly coveted among enthusiasts who cherish the physicality of film as a medium for both storytelling and preservation.