Porapora Clay Mask-New Guinea Art-Oceanic Tribal Art Here is an excellent Porapora ritual clay mask from the remote area between the mouth of the Sepik and Ramu Rivers of Papua New Guinea. This is a great example from the large collection assembled by John Friede and published by Bruce Frank in his catalog “Porapora: Archaic Terracotta From the Jolika Collection of Marcia and John Friede” of 2015, no. 12. It is pre-historic, 7 ½” (19.1 cm) in height and sells for $7500. Questions?