Large glass lamps of this type were commissioned by sultans and members of their court for mosques, madrasas (Qur'anic schools), tombs, hospices, and other public buildings in fourteenth-century Mamluk Cairo. This example bears the name of its patron, Qawsun (d. 1342), emir of the Sultan al-Nasir Muhammad ibn Qalaun (r. 1293–1341 with brief interruptions), and was probably intended for one of his two architectural commissions in Cairo—a mosque or a tomb-hospice complex.

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