Court of Benin, taken from the Royal Palace in 1897 during the British military occupation of Benin; [Karl Knorr, Germany, until 1901], Linden-Museum, Stuttgart, Germany, 1901–1973; [Benno Mattel, Austria]; Mr. and Mrs. Klaus G. Perls, New York, until 1991Court of Benin Objects in the Michael C. Rockefeller Wing, Metropolitan Museum of Art
Ezra, Kate. Royal Art of Benin: The Perls Collection in the Metropolitan Museum of Art. New York: The Metropolitan Museum of Art, 1992, pp. 146–147, no. 50.
von Luschan, Felix. Die Karl Knorrsche Sammlung von Benin‑Altertümern im Museum für Länder‑ und Völkerkunde in Stuttgart. Stuttgart: W. Kohlhammer Verlag, 1901, p. 65, fig. 44.
von Luschan, F. 1901. Die Karl Knorr'sche Sammlung von Benin-Altertümern im Museum für Völkerkunde in Stuttgart. Stuttgart: fig. 44.
von Luschan, F. 1919. Die Altertümer von Benin. Berlin and Leipzig: fig. 413.
"ROYAL ART OF BENIN. The Perls Collection in The Metropolitan Museum of Art." Kate Ezra. The Metropolitan Museum of Art and Harry N. Abrams Inc., New York 1992 Fig. 50