[Officium tenebrae]
An entirely handwritten psalter which seems to be of Spanish origin. This book of plainsong was used to celebrate the Office of Darkness during Triduum Pascal (Feria V in Coena Domine, lectione IX-Feria VI in Parasceve, lectione IX-Sabbato Sancto, lectione IX) and it begins with the Lamentations of Jeremiah which are sung on Maundy Thursday.
The text is rubricated. The antiennes are decorated with 70 ornamental letters, 35 are written in red, 3 in black and 21 in red and blue.
1 choir book (96 unnumbered pages), bound : vellum ; 41 cm. Bound in contemporary full brown morocco over wooden boards, with stamped decoration of triple fillets and fleurons around the sides with 4 brass studs, and a brass boss in the centre surrounded by stamped fleurons. The edges are decorated with 28 brass nails and reinforced with brass corners.
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