P-Gsc (Guimarães) Santa Casa da Misericórdia, Arquivo 225
The fragment was formerly used as book cover. Folio Br has two stickers providing the shelf-mark of the book. A later hand inscription whose ink is almost completely vanished can be read at the top right corner of fol. Br.
The liturgical calendar (August 28 through September 8, then September 29 through October 14) coincides with that of Cluny.
Small/medium size neumes around a red line. The difference between a lozenge and a more or less square punctum is always clearly defined. The axis of the notation is vertical. Lozenge is used very consistently both in isolation and in combination. Alleluia In conspectu g01429 on fol. Br is in 4th mode and the line means F. Here, the F-clef was added in red ink at the beginning of the piece. Custodes occasionally used only on Brv.