(GRADUAL FRAGMENT.) Group of 6 leaves from a Latin gradual, with text written in Gothic script in black ink below 5-line staves in red with Hufnagel

(GRADUAL FRAGMENT.) Group of 6 leaves from a Latin gradual, with text written in Gothic script in black ink below 5-line staves in red with Hufnagel notation in black, with initials alternately in red and blue. 290x210 mm; some heavily soiling. Germany, later 15th-early 16th century