: This appears to be a specific update or catalog code (possibly from late 2018 based on the numbering) for a video release featuring the creator Maria Pie, often titled as an "homage" or themed around the "Belle de Jour" concept.
Thus, the "UltraFilms" tag here signals: It is an alternative, possibly sourced from a foreign print or a pre-restoration master, enhanced (or altered) by non-official means. ultrafilms maria pie belle de jour 18112 upd