Celebrating after Pentecost: Liturgical Bifolium from Germany (late 15th c.)Germany, late 15th century. (150 x 110 mm; 220mm ). Latin. 34 lines in two columns. Eighteen 2 line illuminated initials in alternating red and blue decoration with shell gold; Blue and gold alternating single line initials. Ruled in pink. Rubricated running heads with titles of the celebrations. Rubrication guiding liturgical pattern. Early modern foliation, with modern correction (erased). These four pages, or two folia comprising a bifolium give a