A Southwestern Alaskan Yupik Eskimo shaman wooden mask. Circa late 19th century. Hand painted throughout. There is a turtle on one side and a scary face on the other. The Yupik Eskimo people of Southwestern Alaska have a rich cultural and spiritual heritage, and shamanic practices have played a vital role in their belief system. Shamanic masks are often used in rituals and ceremonies to connect with the spirit world, seek guidance, and heal the community. These masks typically feature intricate carvings and designs that reflect the spirits and beings of the Yupik mythology. American Alaskan Ritual Masks And Folk Art Collectibles.