JPC252814 Tubes and mask covered with cinnaber and buried beneath a temple, placed in dedication, Nakum, Peten, Guatemala, Late Classic Period (600-900 AD) (jade & cinnaber) by Mayan; Museo Nacional de Arqueologia y Etnologia, Guatemala City; (add.info.: prestigious objects made of jade were deposited beneath a building before erection; jade was rare as the mines from far from Peten;); out of copyright.