That is to say that they were made after the 1960s when explorers met and influenced the tribal cultures of Papua New Guinea. Before the 60s many of the tribes were cannibals. If you have any questions do not hesitate to ask, offers are accepted! This item is in the category "Antiques\Ethnographic\Pacific Islands & Oceania".The seller is "thewilsoncollection" and is located in this country: US. This item can be shipped worldwide.