A French Psalter leaf from the early 15th century when matted and framed becomes an exquisite and historically significant piece of art and cultural heritage.A Psalter is a book containing the Book of Psalms from the Bible often elaborately decorated and illuminated. A leaf from such a manuscript typically refers to a single page or leaf extracted from an original Psalter.These leaves are valued for their exquisite calligraphy intricate illumination and artistic designs that were painstakingly created by hand during the medieval period. They often feature vibrant colors detailed illustrations and ornate borders crafted with gold leaf and pigments made from natural materials.