This is a meré, a hand axe that is primarily decorative, ceremonial, and used in haka and dance performances by Maori people in Aotearoa (New Zealand). Historically, it was a weapon. It is sometimes also crafted out of pounamu (jade).
Maori carvings of New Zealand KahuroaKahungunu: Kahungunu was the ancestor of the Māori tribe Ngāti Kahungunu, and is seen here holding a hoe and a canoe paddle. The carving is part of the canoe house on Treaty grounds, Waitangi.