Ms. cutting from a choir book; written and illuminated in Milan, Italy, in the second quarter of the 15th century.
Text on verso: laudamus.
Musical notation: 4-line stave in red ink, with square notes.
Decoration: 1 historiated initial with the three persons of the Trinity.
Artist: perhaps a follower of the Master of the Vitae Imperatorum.
Matted with Pierpont Morgan Library. MS M.558.3 and Pierpont Morgan Library. MS M.558.5.