M4510 A genuine leaf from a Gradual, a liturgical book of texts and music of chants sung by the choir in response to the celebrant of the Mass. Latin text written on paper in a gothic hand in black ink with four-line staves in red. Large initial “G” in green ink opens the text “Gaudeamus omnes…”, a text for the festival of St. Agatha. Size: 17 ¼ x 11 ¼ inches. Mat size: 20 x 16 inches.