Catalog#:H/3598. Bowl recovered from an elite burial context (Room 32) (Washburn et al. 2011, supplementary material). This vessel remained in the American Museum of Natural History (AMNH) until it was tested chemically (Washburn et al. 2011:1637).
Washburn, Dorothy K., William N. Washburn and Petia A. Shipkova 2011 The Prehistoric Drug Trade: Widespread Consumption of Cacao in Ancestral Pueblo and Hohokam Communities in the American Southwest. Journal of Archaeological Science 38(7):1634-1640.