Inscription: Arabic, in Kufic script
1936, excavated at Qanat Tepe in Nishapur, Iran by the Metropolitan Museum of Art's expedition; 1937, 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. pp. 86-87, ill. fig. 102 (b/w).