Ms. book of hours for the use of Rouen; calendar also has feasts for Cambrai, Tournai, and Utrecht; written and illuminated in France, probably Rouen, ca. 1420-1430.
Decoration: 9 miniatures, 69 historiated initials, 24 calendar illustrations; male owner portrait kneeling before Saint Catherine on fol. 40v.
The illumination of M.27 is unfinished. On fol. 159r the historiated initial D with St. Veronica has not been completed.
Artist: all miniatures and marginal figures executed by the Fastolf Master, also known as Master of Sir John Fastolf.