Medieval Latin Liturgical Manuscript Leaf with Musical Notation

This item is a single leaf from a large-format medieval Latin illuminated manuscript, specifically a musical liturgical text, likely a gradual or antiphonary, given the presence of square notation over a four-line stave. The page is made of parchment, a material known for its durability and smooth writing surface, which has yellowed slightly with age, indicating its antiquity. The primary script is a formal gothic textura, characteristic of high-quality liturgical books from the late medieval period. The lines of text are meticulously penned in dark brown or black ink. One of the most striking features is the presence of mensural musical notation, rendered in black square notes on a red four-line stave. This red ink for the stave lines is a common feature in medieval music manuscripts, serving to differentiate them from the black text. There are several large, decorated initials. One prominent initial 'I' (from the word 'Iustus') is elaborately decorated with alternating red and blue vertical stripes, possibly with some gold leaf or yellow pigment that has since faded or tarnished, indicating a high level of craftsmanship. A larger, more intricate initial 'E' (from 'Exurgat'), located further down the page, features vine-like tendrils and possibly zoomorphic or anthropomorphic elements, though these are difficult to discern clearly from the provided image due to wear and resolution. The page exhibits notable signs of age and use. The parchment is creased and slightly rumpled, particularly along the edges, suggesting it was once part of a bound volume that has been disbound or heavily used. There are visible smudges and faint stains, common in centuries-old documents handled over time. The ink shows minor flaking in some areas, and the red stave lines appear somewhat faded. The top right corner shows a Roman numeral 'xxxi' (31), likely a foliation mark, indicating its position within the original codex. The overall condition, while showing wear, is consistent with a genuine medieval artifact, reflecting its age and historical context rather than significant damage or neglect. The quality of both the script and the illumination suggests this was a valuable and important work, likely commissioned by a church or wealthy patron for liturgical use.