Iran
circa 1500
jade
inscribed in a casual thulth script
3.4 x 3.5cm
This is the waqf seal of Ghiyath al-Din Mansur (866–948 AH/ 1461–1542 AD), the son of Sadr al-Din Muhammad Husayni Dashtaki (d 903 AH/ 1497–8 AD) who founded the Mansuriya Madrasa in Shiraz.