[Andre Emmerich Gallery, New York, until 1967]; Nelson A. Rockefeller, New York, 1967, on loan to The Museum of Primitive Art, 1967–1969; The Museum of Primitive Art, New York, 1969–1978
King, Heidi. Rain of the Moon: Silver in Ancient Peru. New York, New Haven and London: The Metropolitan Museum of Art, 2000, Pg. 60, Checklist no. 32.