DATE: Probably saec. xiv ex. - xv in. (Keskiaho 2010); saec. xv also suggested. ORIGIN: Probably according to liturgical use (Knuutila 1984). OTHER NOTES: See also F.m. I.130??? Previously cited as: 'RIT 4' (Knuutila 1984). Previous shelfmarks: 'Manuale 4' (previously: 3).