Vellum / parchment leaf with writing on both sides. The text is in Latin, in black, with occasional red letters. It includes sections of musical notation (5-line staff notation, square dots used for the notes). Recto with 12 full lines of text, 3 partial lines of text and one partial line of music, and one line of music. Verso with two lines of music, one partial line of music (out to side on left), and 12 lines of text.