Missal preceded by a calendar of the Diocese of Sion. The
decoration consists of pen-flourish initials at the beginning of
the most important holidays (e.g. 8r, 14v, 82r, 92r) and an image
of the crucifix in the Canon of the Mass (101r). Thomas Züren of
Unterwassern, one of the three copyists, explains in the colophon
(193vb) that the volume was produced on the order of Clemens of
Uolrichen for the altar of the Virgin in Aragno (Ernen).
