Arms of Leo X at the bottom of f.2r
Part of a set with Capp.sist.172, both with the same pieces, this for the first of the two choirs. Originally made for the Collegio Teutonico. See O'Regan, T., & O'Regan, T. N. (1988). Sacred polychoral music in Rome, 1575-1621 [PhD thesis]. University of Oxford. Online
See Biblissima, Pinakes Entry,