Ms. cutting from a choir book; written and illuminated in Milan, Italy, in the third quarter of the 15th century.
Text on verso is not yet deciphered.
Musical notation: 4-line stave in red ink, with square notes.
Decoration: 1 historiated initial C with a three-headed Trinity.
Artist: perhaps a collaborator of Girolamo da Milano, the Olivetan Master.
Matted with Pierpont Morgan Library. MS M.558.3 and Pierpont Morgan Library. MS M.558.4.