Foliation: parchment. i, ii (both medieval parchment) + 167 + iii (as f.i) ff.

Number of lines: 8 lines of text and music (staves of 4 lines) + 33 lines on ff. 163v-167r.

Language: Latin.

Script: large rounded Gothic bookhand.

Textual Content:
ff. 1r-128r: Sanctorale, from the vigil of St Andrew to St Katherine.
ff. 128r-140v: Common of the Saints.
ff. 141r-143v: Office of the Dead.
ff. 143v-148r: Supplement to the Sanctorale.
ff. 148r-162r: Series of Alleluias, each with a verse for the Common of the Saints.
ff. 162r-162v: Common of Several Martyrs.
ff. 163v-166v: List of saints and feasts in liturgical order.
f. 167r: Index of introits in alphabetical order, and list of Alleluias in liturgical order, added probably in the 17th or 18th century.

Decoration: Miniatures (13v, 97r, 98v, 125r) with associated border. 2- or -line historiated initials (ff. 4r, 6r, 13v, 29r, 39r, 41r, 43v, 48r, 53v, 56r, 59v, 70r, 74v, 82r, 89r, 98v, 113r, 117v, 121v, 125r, 145v) and other 1- or 2-line initials in orange, green, yellow, blue, mauve and black, with large acanthus-type scrolls in the borders. Marginal decoration (ff. 13v, 97r, 98v, 125r, 145v) with feasts of saints. All have burnished gold ground bounded by black ink line.

Artist: The manuscript has been identified as one of the earlier work of the miniaturist Don Simone Camaldolese or Simone de Senis.

Binding:
(1) Resewn and repaired in 2008-2009.
(2) Post-medieval binding, possibly of 17th or 18th century Italy: quarter binding in calf over the leather of an earlier binding, secured with distinctive flat studs; resewn.
(3) Original medieval binding. Thick wooden boards covered with leather and numerous studs and iron bosses (some missing); iron plates pierced with trefoils and spear heads opening onto red vellum beneath in centre and corners of covers.