Leaf from an antiphonary, containing chant for the feast of John the Baptist

Fragment: 400 x 290 mm. Contains music and text for Lauds of the Feast of St. John the Baptist. Foliation written at top of recto: "Folio 103." Incipit at the top of f.103v: O nimis felix; meritique celsi nescie[n]s" Music Notation: Square notes on five-line staffs.