Four-cornered hat with design elements that are similar to those on a fragment of a four-cornered hat found in cave burials near Huanca Sancos, Ayacucho. Assigned to Epoch 2 (AD 825-900) (Museen Dahlem, Staatliche Museen zu Berlin VA63996, no provenience, height = 10 cm, circumference = 43.7 cm). Courtesy of Patricia J. Knobloch.
Isbell, William H.; Uribe, Mauricio I.; Tiballi, Anne; Edward P. Zegarra, 2018, "Visual database", https://doi.org/10.25346/S6/1B33FN.