It was once a personal treasure, now it's everyone's.
At Wellington's Government House, a place where foreign dignitaries are welcomed and one of our most prestigious and significant properties, a mystery is on display at the entrance to the ballroom.
It is a kiwi cloak - kahu kiwi - but nobody knows where the taonga originated.
"We know it was given to Sir Bernard Ferguson," says Government House visitor centre co-ordinator Heather Mills.
"He was the last of the British-born governor-generals. He came from Scotland to New Zealand in 1962 to 1967.