Parchment, 550 x 370 mm (370 x 240 mm), initial 278 x 237 mm, rubric and one line of text ruled in hard point, one four-line musical stave ruled in red ink, pasted on cardboard, six lines of text and six four-line musical staves on reverse (discernible on a light box)

Historiated initial in faded pink on blue ground with delicate white motifs within a geometric frame for the Introit of the Mass for the first Sunday in Advent: [A, 4 lines of text and 4 musical staves] Last Judgment, with (above) Christ enthroned, flanked by seraphim, displaying wounds and accompanied by a group of six Apostles on either side, and (below) the Cross and Instruments of the Passion in the centre with two angels blowing trumpets above, on the left the Virgin standing with the blessed, including Franciscans and St Francis displaying the stigmata, and on the right St John pointing at the damned, acanthus branches extending from the initial to enclose a half-length figure of a prophet with a scroll in each corner.

ORNAMENTATION: Foliate scroll with acanthus extending into lower left margin; capitals highlighted in red.