Certificate of authenticity or any other kinf od documents are not included. I managed to put these works together over the years with the help of the network that Ive created from my anthropological studies.Most of the pieces come from European private collections, and many have been part of my personal collection for some time. The item "Antique Kachina MASK PUEBLO Native American Plain Indians, (Hopi like)" is in sale since Saturday, October 20, 2018. This item is in the category "Antiques\Ethnographic\Native American". The seller is "rockwater2" and is located in Poznan. This item can be shipped worldwide.