Perirrhanteria of this shape, with a separate stopper and a tongue ornament on the body, are well attested in the fourth century B.C. They are believed to have been used during funerary rituals.
Andrioménou, Anghéliki. 1975. "Vases et lampes de bronze dans des collections privées d'Athènes." Bulletin De Correspondance Hellénique, 99(1): pp. 569-571, fig. 40, pl. 12.
Metropolitan Museum of Art. 1983. "One Hundred Thirteenth Annual Report of the Trustees for the Fiscal Year July 1, 1982 through June 30, 1983." Annual Report of the Trustees of the Metropolitan Museum of Art, 113: p. 34.
von Bothmer, Dietrich. 1983. Notable Acquisitions 1982-1983. pp. 8-9, New York: The Metropolitan Museum of Art.
Carter, Martha L. 2015. Arts of the Hellenized East: Precious Metalwork and Gems of the Pre-Islamic Era. p. 169, fig. 2.17, London.