Leaf from a Missal

Manuscript vellum leaf from a Missal (or ordinal). Region undetermined. Possibly 14th century. One leaf (13 x 10.3 cm). Text in two columns of 28 lines. Ruling in red and pricklings visible. Hybrida hand. One red and one blue initial on each side, some underlinings in red. Apparently part of the feast of the Invention of the Cross, but an unusual use, possibly Franciscan. Catalogued by PRB&M (short description included with the item)