This tile, in the shape of an arch, is covered with a green glaze. On it are five lines of naskh inscription which state that this is the tomb of Ali b. Muhammad Kakhir. In the Islamic world, grave markers are usually inscribed with Qur’anic verses and record the name of the deceased. They often take the form of headstones, which are used at the head and foot of the grave, or tiles like these, which were used on the walls of mausoleums.Calligraphy has always been considered the noblest and most featured art in the world of Islam as it transmits the Divine Revelations of God. It can be found on a variety of media - on tomb tiles like this or on the stone slabs of buildings and in manuscripts.