P-BRam (Braga) Arquivo Municipal Nº 004 Códices
Later-hand inscriptions at the bottom of fols. 237r (earlier) and 238rv (later and written reversed).
Small size neumes around a red line. Custos at the end of the line. The difference between a lozenge and a more or less square punctum is usually clearly defined. The lozenge is used quite consistently-but not systematically-either isolated or in combination (descending and ascending patterns).