In kufic script:
الملک لله Sovereignty belongs to God.
1939, excavated at Tepe Madrasa in Nishapur, Iran by the Metropolitan Museum of Art's expedition; 1940, acquired by the Museum in the division of finds
Allan, James. Nishapur: Metalwork of the Early Islamic Period. New York: The Metropolitan Museum of Art, 1982. p. 61, ill. fig. 9 (b/w).
Jenkins-Madina, Marilyn, and Manuel Keene. Islamic Jewelry in the Metropolitan Museum of Art. New York, 1983. no. 14, p. 35, ill. fig. 14 (b/w).
Soucek, Priscilla, ed. Content and Context of Visual Arts in the Islamic World : papers from a colloquium in memory of Richard Ettinghausen, Institute of Fine Arts, New York University. Monographs on the fine arts, vol. 44. University Park, PA: College Art Association of America, 1988. no. nos. 9, 10, pp. 5, 10, ill. fig. 16 (b/w).