Ms. missal, use of Sarum; written and illuminated in England, perhaps Cambridge, ca. 1320.
Decoration: 19 historiated initials, 615 decorated borders, some historiated; Clavering and Tiptoft arms: quarterly or and gules, with a band dexter sable, and argent, a saltire engrailed gules, in many borders; English Gothic style.
Artist: M.A. Michael attributes M.107 to the artists of the Barlow psalter (Oxford, Bodleian Library, MS Barlow 22) and the Croyland Apocalypse (Cambridge, Magdalene College, MS 5)--Cf. PML files.