[In Latin, ornate manuscript on parchment, music notated square. South of France?, circa 1400. Dimensions: 182 x 122 mm Sheet taken from a breviary, Gothic script in brown ink, text in two columns, headings in red, music in square notation on 4-line staves drawn in red ink, initials painted in red or blue with blue and/or red watermark decoration. This folio may have been taken from the Commun des saints, as suggested by the heading "ad horas de uno martire". Text: recto: 2nd and 3rd readings; verso, rubrics, In laudibus antiphona, Alleluia, alleluia; capitulum, Beatus vir; Hymnus, Marti dei; Ad benedictus antiphona, Lux perpetua; Ad magnificat antiphona, Filie Iherusalem; Collecta, Deus qui beatum martirum...