Patterns in the face and fret subgroup based on three motifs. (a) Drawing of a tunic detail with face, fret, and interlocked U-shaped animal (Dumbarton Oaks Pre-Columbian Collection, Washington, DC, PC.B.500).
Isbell, William H.; Uribe, Mauricio I.; Tiballi, Anne; Edward P. Zegarra, 2018, "Visual database", https://doi.org/10.25346/S6/1B33FN.