ENLUMINATION]. Three manuscript leaves from choir booksIn Latin, liturgical Gothic script, large filigree initials; two watercolored initials; music notated on 4-line staves drawn in red, square notation, rubrics in red, one leaf (no. One of the leaves (no. 1) contains the hymn for vespers on the feast of St. Thomas Aquinas (In festo sancti thome de acquino ad vesperas ymnus) Northern France or the Netherlands, ca. 1450Dimensions : (1) 345 x 480 mm; (2) 355 x 475 mm; (3) 350 x 525 mm. Leaves used as replacement for bindings or register covers; parchments