Collation: i-v¹⁶, vi¹⁴ (-13 & 14, cancelled with no loss of text).
Ruled in lead; modern foliation in pencil.
Bound in 18th-century dark brown leather over pasteboard; rebacked with the spine laid down (?); spine decorated with gilt fleurons; with five raised bands and a title on red leather. Speckled edges.
Gothic minuscule script in 2 columns of 35 lines.
Incipit: De honorato abbate monasterii fundensis.
Colophon: Explicit liber quartus dyalogorum sancti Gregorii pape urbis Rome.
Includes some guide notes for the rubricator in the far inner margin; majuscules with text touched with red; red rubrics, names of speakers (Gregorius and Petrus) in red. Chapter lists with one-line alternately red and blue initials, two-line alternately red and blue initials, some including short red and blue cascades.
Date and place of creation (probably a professional workshop) inferred from internal characteristics, and comparison to identified Parisian MSS of the 13th century.
With contemporary marginalia.
With the autograph of Brossart on leaf [92v], erased but legible under ultra-violet light.
Title from contents.
Purchase; Les Enluminures; 2011; MS.11.092.