This lamp has a well for holding oil, a spout to support the wick, and a finger ring tucked under the wing-shaped handle. Except for the decorative extended handle, this shape matches a number of ceramic lamps from Nishapur.
1937, excavated at Village Tepe in Nishapur, Iran by the Metropolitan Museum of Art's expedition; 1938, 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. 88-89, ill. fig. 106 (b/w).