However, many of the busts are smaller and feature less-intricate detail than the pair that Kim Brice grew up with admiring on his family's mantelpiece.
"They were quite awe-inspiring and special to us," said Brice, who sold the items on behalf of his 77-year-old father, Jarvis "Codge" Hamilton Brice.
His father wanted them to "go to a good home, possibly a museum".
Brice is a descendant of Te Rangi Pai whose song Hine E Hine was used from 1979 to 1994 in TV2's iconic Goodnight Kiwi animation.
Before the sale, Grigg told the Herald: "The pair of kauri gum busts are certainly the largest that we have handled and to remain intact and together after 100-plus is quite an achievement.
"They have a good provenance and a real presence, the carver has captured an elegance that is often lost."
Quality New Zealand historical items are becoming increasingly collectible, Grigg said.
A kauri gum mere hand club previously sold for $7500 at Cordy's.