The Rest on the Flight into Egypt, historiated initial on a cutting from a Choirbook, in Latin, 17th century

THE REST ON THE FLIGHT INTO EGYPT, IN A HISTORIATED INITIAL ON A CUTTING FROM A CHOIRBOOK, IN LATIN

[Italy (north-east), 17th century]

manuscript on vellum, a cutting c.145x145mm, the reverse with part of two red four-line staves with music in square notation, rastrum c.40mm, and text '[Fi]delis servus [et prudens]', most often found in the Common of Saints, inscribed in 19th(?)-century pencil 'No.7' and 'No.20'