A 19th-century presentation bowl, which was among only three of its kind made by Ngāti Pikiao master carver Patoromu Tamatea and gifted to former MP Robert Graham, could fetch up to $300,000 at auction. Photo / ArtvisoryA 19th-century presentation bowl, which was among only three of its kind made by Ngāti Pikiao master carver Patoromu Tamatea and gifted to former MP Robert Graham, could fetch up to $300,000 at auction. Photo / Artvisory

Robert Graham, pictured in 1860. The MP was gifted the Patoromu Tamatea-carved presentation bowl, now under auction, after negotiating an agreement between two warring chiefs. Photo / John Nicol Crombie, National LibraryRobert Graham, pictured in 1860. The MP was gifted the Patoromu Tamatea-carved presentation bowl, now under auction, after negotiating an agreement between two warring chiefs. Photo / John Nicol Crombie, National Library

Carver Patoromu Tamatea carved various figures, weapons, bowls, boxes, walking sticks and tobacco pipes for the tourist trade. Photo / ArtvisoryCarver Patoromu Tamatea carved various figures, weapons, bowls, boxes, walking sticks and tobacco pipes for the tourist trade. Photo / Artvisory