Monumentum Mosaic of Sette Sfere The floor mosaic of the Mithraeum of the Seven Spheres, which gives its name to the temple, depicts a dagger. Dagger mosaic at the entrance of the Mitreo delle Sette SfereWarburg Institute The New Mithraeum18 Sep 2023 The full article is reserved for our members. Log in or create a free account to access the entire site. In the white-black mosaic-floor of the central aisle near the entrance there is a dagger and behind it follow seven half circles (seven spheres of the planets). MMM II 245; Paschetto, Ostia, fig. 121; cl. Cumont in CRAI 1945,415; see fig. 72.