Here is a very fine example of a Batak ceremonial dance mask from the Sumatra region of Indonesia. It is carefully carved and has a nice patina.
Batak is a collective term used to identify a number of closely related Austronesian ethnic groups predominantly found in North Sumatra, Indonesia who speak Batak languages. The term is used to include the Karo, Pakpak, Simalungun, Toba, Angkola, and Mandailing which are related groups with distinct languages and customs.
Boolean version of African mask
Building a good collection is hard