Large escudilla PRT 00499 (rim diameter 25.6 cm). The vessel's exterior is undecorated, whereas the interior of its flaring rim displays atypical decoration. This escudilla has a "pouring lip" (visible on the left), apparently very rare in Tiwanaku ceramics.
Isbell, William H.; Uribe, Mauricio I.; Tiballi, Anne; Edward P. Zegarra, 2018, "Visual database", https://doi.org/10.25346/S6/1B33FN.